18153939

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{3989}}^1$

素因数の和:4070

約数の個数: 16

約数和(自身を含む): 25472160

約数和(自身を除く): 7318221

約数列:

[1, 3, 37, 41, 111, 123, 1517, 3989, 4551, 11967, 147593, 163549, 442779, 490647, 6051313, 18153939]

約数ペア:

[(1, 18153939), (3, 6051313), (37, 490647), (41, 442779), (111, 163549), (123, 147593), (1517, 11967), (3989, 4551)]