18899946

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 48312000

約数和(自身を除く): 29412054

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 109, 114, 117, 169, 171, 218, 234, 247, 327, 338, 342, 351, 494, 507, 513, 654, 702, 741, 981, 1014, 1026, 1417, 1482, 1521, 1962, 2071, 2223, 2834, 2943, 3042, 3211, 4142, 4251, 4446, 4563, 5886, 6213, 6422, 6669, 8502, 9126, 9633, 12426, 12753, 13338, 18421, 18639, 19266, 25506, 26923, 28899, 36842, 37278, 38259, 53846, 55263, 55917, 57798, 76518, 80769, 86697, 110526, 111834, 161538, 165789, 173394, 242307, 331578, 349999, 484614, 497367, 699998, 726921, 994734, 1049997, 1453842, 2099994, 3149991, 6299982, 9449973, 18899946]

約数ペア:

[(1, 18899946), (2, 9449973), (3, 6299982), (6, 3149991), (9, 2099994), (13, 1453842), (18, 1049997), (19, 994734), (26, 726921), (27, 699998), (38, 497367), (39, 484614), (54, 349999), (57, 331578), (78, 242307), (109, 173394), (114, 165789), (117, 161538), (169, 111834), (171, 110526), (218, 86697), (234, 80769), (247, 76518), (327, 57798), (338, 55917), (342, 55263), (351, 53846), (494, 38259), (507, 37278), (513, 36842), (654, 28899), (702, 26923), (741, 25506), (981, 19266), (1014, 18639), (1026, 18421), (1417, 13338), (1482, 12753), (1521, 12426), (1962, 9633), (2071, 9126), (2223, 8502), (2834, 6669), (2943, 6422), (3042, 6213), (3211, 5886), (4142, 4563), (4251, 4446)]