17801226

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 40017120

約数和(自身を除く): 22215894

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 109, 129, 211, 218, 258, 327, 387, 422, 633, 654, 774, 981, 1266, 1899, 1962, 3798, 4687, 9073, 9374, 14061, 18146, 22999, 27219, 28122, 42183, 45998, 54438, 68997, 81657, 84366, 137994, 163314, 206991, 413982, 988957, 1977914, 2966871, 5933742, 8900613, 17801226]

約数ペア:

[(1, 17801226), (2, 8900613), (3, 5933742), (6, 2966871), (9, 1977914), (18, 988957), (43, 413982), (86, 206991), (109, 163314), (129, 137994), (211, 84366), (218, 81657), (258, 68997), (327, 54438), (387, 45998), (422, 42183), (633, 28122), (654, 27219), (774, 22999), (981, 18146), (1266, 14061), (1899, 9374), (1962, 9073), (3798, 4687)]