18895804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2281}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 35142800

約数和(自身を除く): 16246996

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2281, 4142, 4562, 8284, 9124, 43339, 86678, 173356, 248629, 497258, 994516, 4723951, 9447902, 18895804]

約数ペア:

[(1, 18895804), (2, 9447902), (4, 4723951), (19, 994516), (38, 497258), (76, 248629), (109, 173356), (218, 86678), (436, 43339), (2071, 9124), (2281, 8284), (4142, 4562)]