19105460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86843}}^1$

素因数の和:86863

約数の個数: 24

約数和(自身を含む): 43769376

約数和(自身を除く): 24663916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86843, 173686, 347372, 434215, 868430, 955273, 1736860, 1910546, 3821092, 4776365, 9552730, 19105460]

約数ペア:

[(1, 19105460), (2, 9552730), (4, 4776365), (5, 3821092), (10, 1910546), (11, 1736860), (20, 955273), (22, 868430), (44, 434215), (55, 347372), (110, 173686), (220, 86843)]