19977435646

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{941}}^1\times {\mathrm{20773}}^1$

素因数の和:21796

約数の個数: 32

約数和(自身を含む): 34754735808

約数和(自身を除く): 14777300162

約数列:

[1, 2, 7, 14, 73, 146, 511, 941, 1022, 1882, 6587, 13174, 20773, 41546, 68693, 137386, 145411, 290822, 480851, 961702, 1516429, 3032858, 10615003, 19547393, 21230006, 39094786, 136831751, 273663502, 1426959689, 2853919378, 9988717823, 19977435646]

約数ペア:

[(1, 19977435646), (2, 9988717823), (7, 2853919378), (14, 1426959689), (73, 273663502), (146, 136831751), (511, 39094786), (941, 21230006), (1022, 19547393), (1882, 10615003), (6587, 3032858), (13174, 1516429), (20773, 961702), (41546, 480851), (68693, 290822), (137386, 145411)]