18986454

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{15287}}^1$

素因数の和:15321

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 25042986

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 15287, 30574, 45861, 91722, 137583, 275166, 351601, 412749, 703202, 825498, 1054803, 2109606, 3164409, 6328818, 9493227, 18986454]

約数ペア:

[(1, 18986454), (2, 9493227), (3, 6328818), (6, 3164409), (9, 2109606), (18, 1054803), (23, 825498), (27, 703202), (46, 412749), (54, 351601), (69, 275166), (138, 137583), (207, 91722), (414, 45861), (621, 30574), (1242, 15287)]