18948670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145759}}^1$

素因数の和:145779

約数の個数: 16

約数和(自身を含む): 36731520

約数和(自身を除く): 17782850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145759, 291518, 728795, 1457590, 1894867, 3789734, 9474335, 18948670]

約数ペア:

[(1, 18948670), (2, 9474335), (5, 3789734), (10, 1894867), (13, 1457590), (26, 728795), (65, 291518), (130, 145759)]