18957498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 26281542

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 101, 109, 123, 202, 218, 246, 287, 303, 327, 574, 606, 654, 707, 763, 861, 1414, 1526, 1722, 2121, 2289, 4141, 4242, 4469, 4578, 8282, 8938, 11009, 12423, 13407, 22018, 24846, 26814, 28987, 31283, 33027, 57974, 62566, 66054, 77063, 86961, 93849, 154126, 173922, 187698, 231189, 451369, 462378, 902738, 1354107, 2708214, 3159583, 6319166, 9478749, 18957498]

約数ペア:

[(1, 18957498), (2, 9478749), (3, 6319166), (6, 3159583), (7, 2708214), (14, 1354107), (21, 902738), (41, 462378), (42, 451369), (82, 231189), (101, 187698), (109, 173922), (123, 154126), (202, 93849), (218, 86961), (246, 77063), (287, 66054), (303, 62566), (327, 57974), (574, 33027), (606, 31283), (654, 28987), (707, 26814), (763, 24846), (861, 22018), (1414, 13407), (1526, 12423), (1722, 11009), (2121, 8938), (2289, 8282), (4141, 4578), (4242, 4469)]