19916442

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 120

約数和(自身を含む): 56196756

約数和(自身を除く): 36280314

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 81, 91, 98, 117, 126, 147, 162, 182, 189, 193, 234, 273, 294, 351, 378, 386, 441, 546, 567, 579, 637, 702, 819, 882, 1053, 1134, 1158, 1274, 1323, 1351, 1638, 1737, 1911, 2106, 2457, 2509, 2646, 2702, 3474, 3822, 3969, 4053, 4914, 5018, 5211, 5733, 7371, 7527, 7938, 8106, 9457, 10422, 11466, 12159, 14742, 15054, 15633, 17199, 17563, 18914, 22581, 24318, 28371, 31266, 34398, 35126, 36477, 45162, 51597, 52689, 56742, 67743, 72954, 85113, 103194, 105378, 109431, 122941, 135486, 158067, 170226, 203229, 218862, 245882, 255339, 316134, 368823, 406458, 474201, 510678, 737646, 766017, 948402, 1106469, 1422603, 1532034, 2212938, 2845206, 3319407, 6638814, 9958221, 19916442]

約数ペア:

[(1, 19916442), (2, 9958221), (3, 6638814), (6, 3319407), (7, 2845206), (9, 2212938), (13, 1532034), (14, 1422603), (18, 1106469), (21, 948402), (26, 766017), (27, 737646), (39, 510678), (42, 474201), (49, 406458), (54, 368823), (63, 316134), (78, 255339), (81, 245882), (91, 218862), (98, 203229), (117, 170226), (126, 158067), (147, 135486), (162, 122941), (182, 109431), (189, 105378), (193, 103194), (234, 85113), (273, 72954), (294, 67743), (351, 56742), (378, 52689), (386, 51597), (441, 45162), (546, 36477), (567, 35126), (579, 34398), (637, 31266), (702, 28371), (819, 24318), (882, 22581), (1053, 18914), (1134, 17563), (1158, 17199), (1274, 15633), (1323, 15054), (1351, 14742), (1638, 12159), (1737, 11466), (1911, 10422), (2106, 9457), (2457, 8106), (2509, 7938), (2646, 7527), (2702, 7371), (3474, 5733), (3822, 5211), (3969, 5018), (4053, 4914)]