18238143

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11279}}^1$

素因数の和:11307

約数の個数: 24

約数和(自身を含む): 30862080

約数和(自身を除く): 12623937

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11279, 33837, 78953, 124069, 236859, 372207, 552671, 868483, 1658013, 2605449, 6079381, 18238143]

約数ペア:

[(1, 18238143), (3, 6079381), (7, 2605449), (11, 1658013), (21, 868483), (33, 552671), (49, 372207), (77, 236859), (147, 124069), (231, 78953), (539, 33837), (1617, 11279)]