18285020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70327}}^1$

素因数の和:70349

約数の個数: 24

約数和(自身を含む): 41352864

約数和(自身を除く): 23067844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70327, 140654, 281308, 351635, 703270, 914251, 1406540, 1828502, 3657004, 4571255, 9142510, 18285020]

約数ペア:

[(1, 18285020), (2, 9142510), (4, 4571255), (5, 3657004), (10, 1828502), (13, 1406540), (20, 914251), (26, 703270), (52, 351635), (65, 281308), (130, 140654), (260, 70327)]