18508686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{440683}}^1$

素因数の和:440695

約数の個数: 16

約数和(自身を含む): 42305664

約数和(自身を除く): 23796978

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 440683, 881366, 1322049, 2644098, 3084781, 6169562, 9254343, 18508686]

約数ペア:

[(1, 18508686), (2, 9254343), (3, 6169562), (6, 3084781), (7, 2644098), (14, 1322049), (21, 881366), (42, 440683)]