18984665

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31907}}^1$

素因数の和:31936

約数の個数: 16

約数和(自身を含む): 27568512

約数和(自身を除く): 8583847

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 31907, 159535, 223349, 542419, 1116745, 2712095, 3796933, 18984665]

約数ペア:

[(1, 18984665), (5, 3796933), (7, 2712095), (17, 1116745), (35, 542419), (85, 223349), (119, 159535), (595, 31907)]