19595620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89071}}^1$

素因数の和:89091

約数の個数: 24

約数和(自身を含む): 44892288

約数和(自身を除く): 25296668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89071, 178142, 356284, 445355, 890710, 979781, 1781420, 1959562, 3919124, 4898905, 9797810, 19595620]

約数ペア:

[(1, 19595620), (2, 9797810), (4, 4898905), (5, 3919124), (10, 1959562), (11, 1781420), (20, 979781), (22, 890710), (44, 445355), (55, 356284), (110, 178142), (220, 89071)]