18271180

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2081}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 38475360

約数和(自身を除く): 20204180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2081, 2195, 4162, 4390, 8324, 8780, 10405, 20810, 41620, 913559, 1827118, 3654236, 4567795, 9135590, 18271180]

約数ペア:

[(1, 18271180), (2, 9135590), (4, 4567795), (5, 3654236), (10, 1827118), (20, 913559), (439, 41620), (878, 20810), (1756, 10405), (2081, 8780), (2195, 8324), (4162, 4390)]