18979359

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2423}}^1$

素因数の和:2806

約数の個数: 16

約数和(自身を含む): 29010432

約数和(自身を除く): 10031073

約数列:

[1, 3, 7, 21, 373, 1119, 2423, 2611, 7269, 7833, 16961, 50883, 903779, 2711337, 6326453, 18979359]

約数ペア:

[(1, 18979359), (3, 6326453), (7, 2711337), (21, 903779), (373, 50883), (1119, 16961), (2423, 7833), (2611, 7269)]