18787197

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43793}}^1$

素因数の和:43820

約数の個数: 16

約数和(自身を含む): 29429568

約数和(自身を除く): 10642371

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 43793, 131379, 481723, 569309, 1445169, 1707927, 6262399, 18787197]

約数ペア:

[(1, 18787197), (3, 6262399), (11, 1707927), (13, 1445169), (33, 569309), (39, 481723), (143, 131379), (429, 43793)]