1804192990

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{144451}}^1$

素因数の和:145707

約数の個数: 16

約数和(自身を含む): 3250170000

約数和(自身を除く): 1445977010

約数列:

[1, 2, 5, 10, 1249, 2498, 6245, 12490, 144451, 288902, 722255, 1444510, 180419299, 360838598, 902096495, 1804192990]

約数ペア:

[(1, 1804192990), (2, 902096495), (5, 360838598), (10, 180419299), (1249, 1444510), (2498, 722255), (6245, 288902), (12490, 144451)]