1999004819

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{2549}}^1\times {\mathrm{4871}}^1$

素因数の和:7450

約数の個数: 16

約数和(自身を含む): 2385331200

約数和(自身を除く): 386326381

約数列:

[1, 7, 23, 161, 2549, 4871, 17843, 34097, 58627, 112033, 410389, 784231, 12416179, 86913253, 285572117, 1999004819]

約数ペア:

[(1, 1999004819), (7, 285572117), (23, 86913253), (161, 12416179), (2549, 784231), (4871, 410389), (17843, 112033), (34097, 58627)]