19015546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20101}}^1$

素因数の和:20157

約数の個数: 16

約数和(自身を含む): 31841568

約数和(自身を除く): 12826022

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20101, 40202, 221111, 442222, 864343, 1728686, 9507773, 19015546]

約数ペア:

[(1, 19015546), (2, 9507773), (11, 1728686), (22, 864343), (43, 442222), (86, 221111), (473, 40202), (946, 20101)]