18995804

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{53359}}^1$

素因数の和:53452

約数の個数: 12

約数和(自身を含む): 33616800

約数和(自身を除く): 14620996

約数列:

[1, 2, 4, 89, 178, 356, 53359, 106718, 213436, 4748951, 9497902, 18995804]

約数ペア:

[(1, 18995804), (2, 9497902), (4, 4748951), (89, 213436), (178, 106718), (356, 53359)]