18311.000000

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 2314368

約数和(自身を除く): 1343724

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 1721, 3442, 5163, 6884, 10326, 20652, 80887, 161774, 242661, 323548, 485322, 970644]

約数ペア:

[(1, 970644), (2, 485322), (3, 323548), (4, 242661), (6, 161774), (12, 80887), (47, 20652), (94, 10326), (141, 6884), (188, 5163), (282, 3442), (564, 1721)]