19424990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149423}}^1$

素因数の和:149443

約数の個数: 16

約数和(自身を含む): 37654848

約数和(自身を除く): 18229858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149423, 298846, 747115, 1494230, 1942499, 3884998, 9712495, 19424990]

約数ペア:

[(1, 19424990), (2, 9712495), (5, 3884998), (10, 1942499), (13, 1494230), (26, 747115), (65, 298846), (130, 149423)]