18191716

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 33046776

約数和(自身を除く): 14855060

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 1217, 2434, 3737, 4868, 7474, 14948, 45029, 90058, 122917, 180116, 245834, 491668, 4547929, 9095858, 18191716]

約数ペア:

[(1, 18191716), (2, 9095858), (4, 4547929), (37, 491668), (74, 245834), (101, 180116), (148, 122917), (202, 90058), (404, 45029), (1217, 14948), (2434, 7474), (3737, 4868)]