18513214

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:795

約数の個数: 16

約数和(自身を含む): 28250640

約数和(自身を除く): 9737426

約数列:

[1, 2, 109, 163, 218, 326, 521, 1042, 17767, 35534, 56789, 84923, 113578, 169846, 9256607, 18513214]

約数ペア:

[(1, 18513214), (2, 9256607), (109, 169846), (163, 113578), (218, 84923), (326, 56789), (521, 35534), (1042, 17767)]