18918926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1916

約数の個数: 32

約数和(自身を含む): 33784128

約数和(自身を除く): 14865202

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 1861, 3722, 5083, 10166, 24193, 31637, 42803, 48386, 63274, 85606, 411281, 556439, 727651, 822562, 1112878, 1455302, 9459463, 18918926]

約数ペア:

[(1, 18918926), (2, 9459463), (13, 1455302), (17, 1112878), (23, 822562), (26, 727651), (34, 556439), (46, 411281), (221, 85606), (299, 63274), (391, 48386), (442, 42803), (598, 31637), (782, 24193), (1861, 10166), (3722, 5083)]