18761886

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 49297248

約数和(自身を除く): 30535362

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 37, 39, 66, 74, 78, 99, 111, 117, 143, 197, 198, 222, 234, 286, 333, 394, 407, 429, 481, 591, 666, 814, 858, 962, 1182, 1221, 1287, 1443, 1773, 2167, 2442, 2561, 2574, 2886, 3546, 3663, 4329, 4334, 5122, 5291, 6501, 7289, 7326, 7683, 8658, 10582, 13002, 14578, 15366, 15873, 19503, 21867, 23049, 28171, 31746, 39006, 43734, 46098, 47619, 56342, 65601, 80179, 84513, 94757, 95238, 131202, 160358, 169026, 189514, 240537, 253539, 284271, 481074, 507078, 568542, 721611, 852813, 1042327, 1443222, 1705626, 2084654, 3126981, 6253962, 9380943, 18761886]

約数ペア:

[(1, 18761886), (2, 9380943), (3, 6253962), (6, 3126981), (9, 2084654), (11, 1705626), (13, 1443222), (18, 1042327), (22, 852813), (26, 721611), (33, 568542), (37, 507078), (39, 481074), (66, 284271), (74, 253539), (78, 240537), (99, 189514), (111, 169026), (117, 160358), (143, 131202), (197, 95238), (198, 94757), (222, 84513), (234, 80179), (286, 65601), (333, 56342), (394, 47619), (407, 46098), (429, 43734), (481, 39006), (591, 31746), (666, 28171), (814, 23049), (858, 21867), (962, 19503), (1182, 15873), (1221, 15366), (1287, 14578), (1443, 13002), (1773, 10582), (2167, 8658), (2442, 7683), (2561, 7326), (2574, 7289), (2886, 6501), (3546, 5291), (3663, 5122), (4329, 4334)]