19920369

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41243}}^1$

素因数の和:41276

約数の個数: 16

約数和(自身を含む): 31675392

約数和(自身を除く): 11755023

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41243, 123729, 288701, 866103, 948589, 2845767, 6640123, 19920369]

約数ペア:

[(1, 19920369), (3, 6640123), (7, 2845767), (21, 948589), (23, 866103), (69, 288701), (161, 123729), (483, 41243)]