19131645

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7547}}^1$

素因数の和:7581

約数の個数: 24

約数和(自身を含む): 33150816

約数和(自身を除く): 14019171

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7547, 22641, 37735, 98111, 113205, 294333, 490555, 1275443, 1471665, 3826329, 6377215, 19131645]

約数ペア:

[(1, 19131645), (3, 6377215), (5, 3826329), (13, 1471665), (15, 1275443), (39, 490555), (65, 294333), (169, 113205), (195, 98111), (507, 37735), (845, 22641), (2535, 7547)]