19313750

素因数分解:

$2^1\times 5^4\times {\mathrm{15451}}^1$

素因数の和:15473

約数の個数: 20

約数和(自身を含む): 36204036

約数和(自身を除く): 16890286

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 15451, 30902, 77255, 154510, 386275, 772550, 1931375, 3862750, 9656875, 19313750]

約数ペア:

[(1, 19313750), (2, 9656875), (5, 3862750), (10, 1931375), (25, 772550), (50, 386275), (125, 154510), (250, 77255), (625, 30902), (1250, 15451)]