18360620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22391}}^1$

素因数の和:22441

約数の個数: 24

約数和(自身を含む): 39499488

約数和(自身を除く): 21138868

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22391, 44782, 89564, 111955, 223910, 447820, 918031, 1836062, 3672124, 4590155, 9180310, 18360620]

約数ペア:

[(1, 18360620), (2, 9180310), (4, 4590155), (5, 3672124), (10, 1836062), (20, 918031), (41, 447820), (82, 223910), (164, 111955), (205, 89564), (410, 44782), (820, 22391)]