18669620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32189}}^1$

素因数の和:32227

約数の個数: 24

約数和(自身を含む): 40559400

約数和(自身を除く): 21889780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32189, 64378, 128756, 160945, 321890, 643780, 933481, 1866962, 3733924, 4667405, 9334810, 18669620]

約数ペア:

[(1, 18669620), (2, 9334810), (4, 4667405), (5, 3733924), (10, 1866962), (20, 933481), (29, 643780), (58, 321890), (116, 160945), (145, 128756), (290, 64378), (580, 32189)]