19875979

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 1574261

約数列:

[1, 23, 59, 97, 151, 1357, 2231, 3473, 5723, 8909, 14647, 131629, 204907, 336881, 864173, 19875979]

約数ペア:

[(1, 19875979), (23, 864173), (59, 336881), (97, 204907), (151, 131629), (1357, 14647), (2231, 8909), (3473, 5723)]