18228639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{42491}}^1$

素因数の和:42518

約数の個数: 16

約数和(自身を含む): 28554624

約数和(自身を除く): 10325985

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 42491, 127473, 467401, 552383, 1402203, 1657149, 6076213, 18228639]

約数ペア:

[(1, 18228639), (3, 6076213), (11, 1657149), (13, 1402203), (33, 552383), (39, 467401), (143, 127473), (429, 42491)]