18405717

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{11867}}^1$

素因数の和:11928

約数の個数: 16

約数和(自身を含む): 27343872

約数和(自身を除く): 8938155

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 11867, 35601, 130537, 391611, 557749, 1673247, 6135239, 18405717]

約数ペア:

[(1, 18405717), (3, 6135239), (11, 1673247), (33, 557749), (47, 391611), (141, 130537), (517, 35601), (1551, 11867)]