18267820

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1583}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 38453184

約数和(自身を除く): 20185364

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 1583, 2308, 2885, 3166, 5770, 6332, 7915, 11540, 15830, 31660, 913391, 1826782, 3653564, 4566955, 9133910, 18267820]

約数ペア:

[(1, 18267820), (2, 9133910), (4, 4566955), (5, 3653564), (10, 1826782), (20, 913391), (577, 31660), (1154, 15830), (1583, 11540), (2308, 7915), (2885, 6332), (3166, 5770)]