18959018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2203}}^1$

素因数の和:2549

約数の個数: 16

約数和(自身を含む): 30732576

約数和(自身を除く): 11773558

約数列:

[1, 2, 13, 26, 331, 662, 2203, 4303, 4406, 8606, 28639, 57278, 729193, 1458386, 9479509, 18959018]

約数ペア:

[(1, 18959018), (2, 9479509), (13, 1458386), (26, 729193), (331, 57278), (662, 28639), (2203, 8606), (4303, 4406)]