18688774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19427}}^1$

素因数の和:19479

約数の個数: 16

約数和(自身を含む): 31007088

約数和(自身を除く): 12318314

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 19427, 38854, 252551, 505102, 718799, 1437598, 9344387, 18688774]

約数ペア:

[(1, 18688774), (2, 9344387), (13, 1437598), (26, 718799), (37, 505102), (74, 252551), (481, 38854), (962, 19427)]