18993896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139661}}^1$

素因数の和:139684

約数の個数: 16

約数和(自身を含む): 37708740

約数和(自身を除く): 18714844

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139661, 279322, 558644, 1117288, 2374237, 4748474, 9496948, 18993896]

約数ペア:

[(1, 18993896), (2, 9496948), (4, 4748474), (8, 2374237), (17, 1117288), (34, 558644), (68, 279322), (136, 139661)]