19816485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{673}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 34422528

約数和(自身を除く): 14606043

約数列:

[1, 3, 5, 13, 15, 39, 65, 151, 195, 453, 673, 755, 1963, 2019, 2265, 3365, 5889, 8749, 9815, 10095, 26247, 29445, 43745, 101623, 131235, 304869, 508115, 1321099, 1524345, 3963297, 6605495, 19816485]

約数ペア:

[(1, 19816485), (3, 6605495), (5, 3963297), (13, 1524345), (15, 1321099), (39, 508115), (65, 304869), (151, 131235), (195, 101623), (453, 43745), (673, 29445), (755, 26247), (1963, 10095), (2019, 9815), (2265, 8749), (3365, 5889)]