18491187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43103}}^1$

素因数の和:43130

約数の個数: 16

約数和(自身を含む): 28965888

約数和(自身を除く): 10474701

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 43103, 129309, 474133, 560339, 1422399, 1681017, 6163729, 18491187]

約数ペア:

[(1, 18491187), (3, 6163729), (11, 1681017), (13, 1422399), (33, 560339), (39, 474133), (143, 129309), (429, 43103)]