20171901617

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{1181}}^1\times {\mathrm{19213}}^1$

素因数の和:20528

約数の個数: 16

約数和(自身を含む): 23256010752

約数和(自身を除く): 3084109135

約数列:

[1, 7, 127, 889, 1181, 8267, 19213, 134491, 149987, 1049909, 2440051, 17080357, 22690553, 158833871, 2881700231, 20171901617]

約数ペア:

[(1, 20171901617), (7, 2881700231), (127, 158833871), (889, 22690553), (1181, 17080357), (8267, 2440051), (19213, 1049909), (134491, 149987)]