19937441601

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 40343961600

約数和(自身を除く): 20406519999

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 37, 59, 63, 69, 77, 99, 111, 161, 177, 189, 191, 207, 231, 253, 259, 297, 333, 407, 413, 483, 531, 573, 621, 649, 693, 759, 777, 851, 999, 1221, 1239, 1337, 1357, 1449, 1593, 1719, 1771, 1947, 2079, 2101, 2183, 2277, 2331, 2553, 2849, 3663, 3717, 4011, 4071, 4347, 4393, 4543, 5157, 5313, 5841, 5957, 6303, 6549, 6831, 6993, 7067, 7659, 8547, 9361, 9499, 10989, 11151, 11269, 12033, 12213, 13179, 13629, 14707, 14927, 15281, 15939, 17523, 17871, 18909, 19647, 21201, 22977, 24013, 25641, 28083, 28497, 30751, 33807, 36099, 36639, 39537, 40887, 44121, 44781, 45843, 47817, 48323, 49469, 50209, 53613, 56727, 58941, 63603, 65527, 72039, 76923, 77737, 78883, 84249, 85491, 92253, 101421, 104489, 118611, 122661, 123959, 132363, 134343, 137529, 144969, 148407, 150627, 160839, 162541, 168091, 190809, 196581, 216117, 233211, 236649, 252747, 256473, 259187, 276759, 304263, 313467, 338261, 351463, 371877, 397089, 403029, 412587, 416953, 434907, 445221, 451881, 487623, 504273, 544159, 552299, 589743, 648351, 699633, 709947, 777561, 830277, 867713, 940401, 1014783, 1054389, 1115631, 1137787, 1250859, 1304721, 1335663, 1355643, 1462869, 1512819, 1632477, 1656897, 1769229, 1787951, 1814309, 2098899, 2129841, 2332683, 2603139, 2821203, 2851057, 2918671, 3044349, 3163167, 3346893, 3413361, 3752577, 3866093, 4388607, 4538457, 4586483, 4897431, 4970691, 5363853, 5442927, 6998049, 7809417, 8553171, 8756013, 9133047, 9489501, 9589919, 10240083, 11257731, 11598279, 12515657, 13759449, 14692293, 14912073, 16091559, 16328781, 19957399, 23428251, 25659513, 26268039, 28769757, 30720249, 32105381, 34794837, 37546971, 41278347, 48274677, 48986343, 59872197, 67129433, 76978539, 78804117, 86309271, 96316143, 104384511, 105489109, 112640913, 123835041, 179616591, 201388299, 258927813, 288948429, 316467327, 337922739, 538849773, 604164897, 738423763, 866845287, 949401981, 1812494691, 2215271289, 2848205943, 6645813867, 19937441601]

約数ペア:

[(1, 19937441601), (3, 6645813867), (7, 2848205943), (9, 2215271289), (11, 1812494691), (21, 949401981), (23, 866845287), (27, 738423763), (33, 604164897), (37, 538849773), (59, 337922739), (63, 316467327), (69, 288948429), (77, 258927813), (99, 201388299), (111, 179616591), (161, 123835041), (177, 112640913), (189, 105489109), (191, 104384511), (207, 96316143), (231, 86309271), (253, 78804117), (259, 76978539), (297, 67129433), (333, 59872197), (407, 48986343), (413, 48274677), (483, 41278347), (531, 37546971), (573, 34794837), (621, 32105381), (649, 30720249), (693, 28769757), (759, 26268039), (777, 25659513), (851, 23428251), (999, 19957399), (1221, 16328781), (1239, 16091559), (1337, 14912073), (1357, 14692293), (1449, 13759449), (1593, 12515657), (1719, 11598279), (1771, 11257731), (1947, 10240083), (2079, 9589919), (2101, 9489501), (2183, 9133047), (2277, 8756013), (2331, 8553171), (2553, 7809417), (2849, 6998049), (3663, 5442927), (3717, 5363853), (4011, 4970691), (4071, 4897431), (4347, 4586483), (4393, 4538457), (4543, 4388607), (5157, 3866093), (5313, 3752577), (5841, 3413361), (5957, 3346893), (6303, 3163167), (6549, 3044349), (6831, 2918671), (6993, 2851057), (7067, 2821203), (7659, 2603139), (8547, 2332683), (9361, 2129841), (9499, 2098899), (10989, 1814309), (11151, 1787951), (11269, 1769229), (12033, 1656897), (12213, 1632477), (13179, 1512819), (13629, 1462869), (14707, 1355643), (14927, 1335663), (15281, 1304721), (15939, 1250859), (17523, 1137787), (17871, 1115631), (18909, 1054389), (19647, 1014783), (21201, 940401), (22977, 867713), (24013, 830277), (25641, 777561), (28083, 709947), (28497, 699633), (30751, 648351), (33807, 589743), (36099, 552299), (36639, 544159), (39537, 504273), (40887, 487623), (44121, 451881), (44781, 445221), (45843, 434907), (47817, 416953), (48323, 412587), (49469, 403029), (50209, 397089), (53613, 371877), (56727, 351463), (58941, 338261), (63603, 313467), (65527, 304263), (72039, 276759), (76923, 259187), (77737, 256473), (78883, 252747), (84249, 236649), (85491, 233211), (92253, 216117), (101421, 196581), (104489, 190809), (118611, 168091), (122661, 162541), (123959, 160839), (132363, 150627), (134343, 148407), (137529, 144969)]