18612069

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9137}}^1$

素因数の和:9244

約数の個数: 16

約数和(自身を含む): 28656768

約数和(自身を除く): 10044699

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9137, 27411, 63959, 191877, 886289, 2658867, 6204023, 18612069]

約数ペア:

[(1, 18612069), (3, 6204023), (7, 2658867), (21, 886289), (97, 191877), (291, 63959), (679, 27411), (2037, 9137)]