17638216

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{5237}}^1$

素因数の和:5664

約数の個数: 16

約数和(自身を含む): 33156540

約数和(自身を除く): 15518324

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 5237, 10474, 20948, 41896, 2204777, 4409554, 8819108, 17638216]

約数ペア:

[(1, 17638216), (2, 8819108), (4, 4409554), (8, 2204777), (421, 41896), (842, 20948), (1684, 10474), (3368, 5237)]