18421708

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{124471}}^1$

素因数の和:124512

約数の個数: 12

約数和(自身を含む): 33109552

約数和(自身を除く): 14687844

約数列:

[1, 2, 4, 37, 74, 148, 124471, 248942, 497884, 4605427, 9210854, 18421708]

約数ペア:

[(1, 18421708), (2, 9210854), (4, 4605427), (37, 497884), (74, 248942), (148, 124471)]