18616804520

素因数分解:

$2^3\times 5^1\times {\mathrm{465420113}}^1$

素因数の和:465420124

約数の個数: 16

約数和(自身を含む): 41887810260

約数和(自身を除く): 23271005740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 465420113, 930840226, 1861680452, 2327100565, 3723360904, 4654201130, 9308402260, 18616804520]

約数ペア:

[(1, 18616804520), (2, 9308402260), (4, 4654201130), (5, 3723360904), (8, 2327100565), (10, 1861680452), (20, 930840226), (40, 465420113)]