18178121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 20697600

約数和(自身を除く): 2519479

約数列:

[1, 13, 31, 43, 403, 559, 1049, 1333, 13637, 17329, 32519, 45107, 422747, 586391, 1398317, 18178121]

約数ペア:

[(1, 18178121), (13, 1398317), (31, 586391), (43, 422747), (403, 45107), (559, 32519), (1049, 17329), (1333, 13637)]