18938478839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{345221}}^1$

素因数の和:345706

約数の個数: 16

約数和(自身を含む): 22966929216

約数和(自身を除く): 4028450377

約数列:

[1, 7, 17, 119, 461, 3227, 7837, 54859, 345221, 2416547, 5868757, 41081299, 159146881, 1114028167, 2705496977, 18938478839]

約数ペア:

[(1, 18938478839), (7, 2705496977), (17, 1114028167), (119, 159146881), (461, 41081299), (3227, 5868757), (7837, 2416547), (54859, 345221)]