20180871361

素因数分解:

$7^1\times {\mathrm{491}}^1\times {\mathrm{1907}}^1\times {\mathrm{3079}}^1$

素因数の和:5484

約数の個数: 16

約数和(自身を含む): 23130455040

約数和(自身を除く): 2949583679

約数列:

[1, 7, 491, 1907, 3079, 3437, 13349, 21553, 936337, 1511789, 5871653, 6554359, 10582523, 41101571, 2882981623, 20180871361]

約数ペア:

[(1, 20180871361), (7, 2882981623), (491, 41101571), (1907, 10582523), (3079, 6554359), (3437, 5871653), (13349, 1511789), (21553, 936337)]