18124990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139423}}^1$

素因数の和:139443

約数の個数: 16

約数和(自身を含む): 35134848

約数和(自身を除く): 17009858

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139423, 278846, 697115, 1394230, 1812499, 3624998, 9062495, 18124990]

約数ペア:

[(1, 18124990), (2, 9062495), (5, 3624998), (10, 1812499), (13, 1394230), (26, 697115), (65, 278846), (130, 139423)]