20123901718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{4001}}^1\times {\mathrm{132361}}^1$

素因数の和:136383

約数の個数: 16

約数和(自身を含む): 31782763440

約数和(自身を除く): 11658861722

約数列:

[1, 2, 19, 38, 4001, 8002, 76019, 132361, 152038, 264722, 2514859, 5029718, 529576361, 1059152722, 10061950859, 20123901718]

約数ペア:

[(1, 20123901718), (2, 10061950859), (19, 1059152722), (38, 529576361), (4001, 5029718), (8002, 2514859), (76019, 264722), (132361, 152038)]