19413185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{863}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 25505280

約数和(自身を除く): 6092095

約数列:

[1, 5, 11, 55, 409, 863, 2045, 4315, 4499, 9493, 22495, 47465, 352967, 1764835, 3882637, 19413185]

約数ペア:

[(1, 19413185), (5, 3882637), (11, 1764835), (55, 352967), (409, 47465), (863, 22495), (2045, 9493), (4315, 4499)]