20187018

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10289}}^1$

素因数の和:10406

約数の個数: 24

約数和(自身を含む): 44144100

約数和(自身を除く): 23957082

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10289, 20578, 30867, 61734, 92601, 185202, 1121501, 2243002, 3364503, 6729006, 10093509, 20187018]

約数ペア:

[(1, 20187018), (2, 10093509), (3, 6729006), (6, 3364503), (9, 2243002), (18, 1121501), (109, 185202), (218, 92601), (327, 61734), (654, 30867), (981, 20578), (1962, 10289)]