19128460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73571}}^1$

素因数の和:73593

約数の個数: 24

約数和(自身を含む): 43260336

約数和(自身を除く): 24131876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73571, 147142, 294284, 367855, 735710, 956423, 1471420, 1912846, 3825692, 4782115, 9564230, 19128460]

約数ペア:

[(1, 19128460), (2, 9564230), (4, 4782115), (5, 3825692), (10, 1912846), (13, 1471420), (20, 956423), (26, 735710), (52, 367855), (65, 294284), (130, 147142), (260, 73571)]