20459519998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3429353}}^1$

素因数の和:3429531

約数の個数: 16

約数和(自身を含む): 32510275920

約数和(自身を除く): 12050755922

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 3429353, 6858706, 65157707, 130315414, 538408421, 1076816842, 10229759999, 20459519998]

約数ペア:

[(1, 20459519998), (2, 10229759999), (19, 1076816842), (38, 538408421), (157, 130315414), (314, 65157707), (2983, 6858706), (5966, 3429353)]