18943510

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26681}}^1$

素因数の和:26759

約数の個数: 16

約数和(自身を含む): 34579872

約数和(自身を除く): 15636362

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26681, 53362, 133405, 266810, 1894351, 3788702, 9471755, 18943510]

約数ペア:

[(1, 18943510), (2, 9471755), (5, 3788702), (10, 1894351), (71, 266810), (142, 133405), (355, 53362), (710, 26681)]