18968609

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 21422016

約数和(自身を除く): 2453407

約数列:

[1, 11, 41, 137, 307, 451, 1507, 3377, 5617, 12587, 42059, 61787, 138457, 462649, 1724419, 18968609]

約数ペア:

[(1, 18968609), (11, 1724419), (41, 462649), (137, 138457), (307, 61787), (451, 42059), (1507, 12587), (3377, 5617)]