18874982399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{250807}}^1$

素因数の和:251654

約数の個数: 16

約数和(自身を含む): 23258930688

約数和(自身を除く): 4383948289

約数列:

[1, 7, 13, 91, 827, 5789, 10751, 75257, 250807, 1755649, 3260491, 22823437, 207417389, 1451921723, 2696426057, 18874982399]

約数ペア:

[(1, 18874982399), (7, 2696426057), (13, 1451921723), (91, 207417389), (827, 22823437), (5789, 3260491), (10751, 1755649), (75257, 250807)]