18200515

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1889}}^1$

素因数の和:1982

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 4660925

約数列:

[1, 5, 41, 47, 205, 235, 1889, 1927, 9445, 9635, 77449, 88783, 387245, 443915, 3640103, 18200515]

約数ペア:

[(1, 18200515), (5, 3640103), (41, 443915), (47, 387245), (205, 88783), (235, 77449), (1889, 9635), (1927, 9445)]