18420974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2221}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 33596640

約数和(自身を除く): 15175666

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 286, 319, 377, 638, 754, 2221, 4147, 4442, 8294, 24431, 28873, 48862, 57746, 64409, 128818, 317603, 635206, 708499, 837317, 1416998, 1674634, 9210487, 18420974]

約数ペア:

[(1, 18420974), (2, 9210487), (11, 1674634), (13, 1416998), (22, 837317), (26, 708499), (29, 635206), (58, 317603), (143, 128818), (286, 64409), (319, 57746), (377, 48862), (638, 28873), (754, 24431), (2221, 8294), (4147, 4442)]