18949450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29153}}^1$

素因数の和:29178

約数の個数: 24

約数和(自身を含む): 37958508

約数和(自身を除く): 19009058

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 29153, 58306, 145765, 291530, 378989, 728825, 757978, 1457650, 1894945, 3789890, 9474725, 18949450]

約数ペア:

[(1, 18949450), (2, 9474725), (5, 3789890), (10, 1894945), (13, 1457650), (25, 757978), (26, 728825), (50, 378989), (65, 291530), (130, 145765), (325, 58306), (650, 29153)]