19877122

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{881}}^1$

素因数の和:1301

約数の個数: 16

約数和(自身を含む): 30958200

約数和(自身を除く): 11081078

約数列:

[1, 2, 29, 58, 389, 778, 881, 1762, 11281, 22562, 25549, 51098, 342709, 685418, 9938561, 19877122]

約数ペア:

[(1, 19877122), (2, 9938561), (29, 685418), (58, 342709), (389, 51098), (778, 25549), (881, 22562), (1762, 11281)]