18904779

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{8863}}^1$

素因数の和:8951

約数の個数: 16

約数和(自身を含む): 28364800

約数和(自身を除く): 9460021

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 8863, 26589, 79767, 239301, 700177, 2100531, 6301593, 18904779]

約数ペア:

[(1, 18904779), (3, 6301593), (9, 2100531), (27, 700177), (79, 239301), (237, 79767), (711, 26589), (2133, 8863)]