19916137

素因数分解:

${\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 1534103

約数列:

[1, 23, 79, 97, 113, 1817, 2231, 2599, 7663, 8927, 10961, 176249, 205321, 252103, 865919, 19916137]

約数ペア:

[(1, 19916137), (23, 865919), (79, 252103), (97, 205321), (113, 176249), (1817, 10961), (2231, 8927), (2599, 7663)]