18188331

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37657}}^1$

素因数の和:37690

約数の個数: 16

約数和(自身を含む): 28921344

約数和(自身を除く): 10733013

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 37657, 112971, 263599, 790797, 866111, 2598333, 6062777, 18188331]

約数ペア:

[(1, 18188331), (3, 6062777), (7, 2598333), (21, 866111), (23, 790797), (69, 263599), (161, 112971), (483, 37657)]