19648460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75571}}^1$

素因数の和:75593

約数の個数: 24

約数和(自身を含む): 44436336

約数和(自身を除く): 24787876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75571, 151142, 302284, 377855, 755710, 982423, 1511420, 1964846, 3929692, 4912115, 9824230, 19648460]

約数ペア:

[(1, 19648460), (2, 9824230), (4, 4912115), (5, 3929692), (10, 1964846), (13, 1511420), (20, 982423), (26, 755710), (52, 377855), (65, 302284), (130, 151142), (260, 75571)]