19892918

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1019}}^1$

素因数の和:1291

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 10805002

約数列:

[1, 2, 43, 86, 227, 454, 1019, 2038, 9761, 19522, 43817, 87634, 231313, 462626, 9946459, 19892918]

約数ペア:

[(1, 19892918), (2, 9946459), (43, 462626), (86, 231313), (227, 87634), (454, 43817), (1019, 19522), (2038, 9761)]