18740518

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{607}}^1$

素因数の和:1011

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 10151642

約数列:

[1, 2, 43, 86, 359, 607, 718, 1214, 15437, 26101, 30874, 52202, 217913, 435826, 9370259, 18740518]

約数ペア:

[(1, 18740518), (2, 9370259), (43, 435826), (86, 217913), (359, 52202), (607, 30874), (718, 26101), (1214, 15437)]