18784584

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 64995840

約数和(自身を除く): 46211256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 47, 52, 56, 61, 63, 72, 78, 84, 91, 94, 104, 117, 122, 126, 141, 156, 168, 182, 183, 188, 234, 244, 252, 273, 282, 312, 329, 364, 366, 376, 423, 427, 468, 488, 504, 546, 549, 564, 611, 658, 728, 732, 793, 819, 846, 854, 936, 987, 1092, 1098, 1128, 1222, 1281, 1316, 1464, 1586, 1638, 1692, 1708, 1833, 1974, 2184, 2196, 2379, 2444, 2562, 2632, 2867, 2961, 3172, 3276, 3384, 3416, 3666, 3843, 3948, 4277, 4392, 4758, 4888, 5124, 5499, 5551, 5734, 5922, 6344, 6552, 7137, 7332, 7686, 7896, 8554, 8601, 9516, 10248, 10998, 11102, 11468, 11844, 12831, 14274, 14664, 15372, 16653, 17108, 17202, 19032, 20069, 21996, 22204, 22936, 23688, 25662, 25803, 28548, 30744, 33306, 34216, 34404, 37271, 38493, 40138, 43992, 44408, 49959, 51324, 51606, 57096, 60207, 66612, 68808, 74542, 76986, 80276, 99918, 102648, 103212, 111813, 120414, 133224, 149084, 153972, 160552, 180621, 199836, 206424, 223626, 240828, 260897, 298168, 307944, 335439, 361242, 399672, 447252, 481656, 521794, 670878, 722484, 782691, 894504, 1043588, 1341756, 1444968, 1565382, 2087176, 2348073, 2683512, 3130764, 4696146, 6261528, 9392292, 18784584]

約数ペア:

[(1, 18784584), (2, 9392292), (3, 6261528), (4, 4696146), (6, 3130764), (7, 2683512), (8, 2348073), (9, 2087176), (12, 1565382), (13, 1444968), (14, 1341756), (18, 1043588), (21, 894504), (24, 782691), (26, 722484), (28, 670878), (36, 521794), (39, 481656), (42, 447252), (47, 399672), (52, 361242), (56, 335439), (61, 307944), (63, 298168), (72, 260897), (78, 240828), (84, 223626), (91, 206424), (94, 199836), (104, 180621), (117, 160552), (122, 153972), (126, 149084), (141, 133224), (156, 120414), (168, 111813), (182, 103212), (183, 102648), (188, 99918), (234, 80276), (244, 76986), (252, 74542), (273, 68808), (282, 66612), (312, 60207), (329, 57096), (364, 51606), (366, 51324), (376, 49959), (423, 44408), (427, 43992), (468, 40138), (488, 38493), (504, 37271), (546, 34404), (549, 34216), (564, 33306), (611, 30744), (658, 28548), (728, 25803), (732, 25662), (793, 23688), (819, 22936), (846, 22204), (854, 21996), (936, 20069), (987, 19032), (1092, 17202), (1098, 17108), (1128, 16653), (1222, 15372), (1281, 14664), (1316, 14274), (1464, 12831), (1586, 11844), (1638, 11468), (1692, 11102), (1708, 10998), (1833, 10248), (1974, 9516), (2184, 8601), (2196, 8554), (2379, 7896), (2444, 7686), (2562, 7332), (2632, 7137), (2867, 6552), (2961, 6344), (3172, 5922), (3276, 5734), (3384, 5551), (3416, 5499), (3666, 5124), (3843, 4888), (3948, 4758), (4277, 4392)]