19566881

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 21591360

約数和(自身を除く): 2024479

約数列:

[1, 17, 41, 67, 419, 697, 1139, 2747, 7123, 17179, 28073, 46699, 292043, 477241, 1150993, 19566881]

約数ペア:

[(1, 19566881), (17, 1150993), (41, 477241), (67, 292043), (419, 46699), (697, 28073), (1139, 17179), (2747, 7123)]