18717620

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{3307}}^1$

素因数の和:3599

約数の個数: 24

約数和(自身を含む): 39457824

約数和(自身を除く): 20740204

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 3307, 5660, 6614, 13228, 16535, 33070, 66140, 935881, 1871762, 3743524, 4679405, 9358810, 18717620]

約数ペア:

[(1, 18717620), (2, 9358810), (4, 4679405), (5, 3743524), (10, 1871762), (20, 935881), (283, 66140), (566, 33070), (1132, 16535), (1415, 13228), (2830, 6614), (3307, 5660)]