19866730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{152821}}^1$

素因数の和:152841

約数の個数: 16

約数和(自身を含む): 38511144

約数和(自身を除く): 18644414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 152821, 305642, 764105, 1528210, 1986673, 3973346, 9933365, 19866730]

約数ペア:

[(1, 19866730), (2, 9933365), (5, 3973346), (10, 1986673), (13, 1528210), (26, 764105), (65, 305642), (130, 152821)]