18191908

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10651}}^1$

素因数の和:10723

約数の個数: 24

約数和(自身を含む): 36983744

約数和(自身を除く): 18791836

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 10651, 21302, 42604, 74557, 149114, 298228, 649711, 1299422, 2598844, 4547977, 9095954, 18191908]

約数ペア:

[(1, 18191908), (2, 9095954), (4, 4547977), (7, 2598844), (14, 1299422), (28, 649711), (61, 298228), (122, 149114), (244, 74557), (427, 42604), (854, 21302), (1708, 10651)]