19905716

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 36298920

約数和(自身を除く): 16393204

約数列:

[1, 2, 4, 29, 58, 116, 157, 314, 628, 1093, 2186, 4372, 4553, 9106, 18212, 31697, 63394, 126788, 171601, 343202, 686404, 4976429, 9952858, 19905716]

約数ペア:

[(1, 19905716), (2, 9952858), (4, 4976429), (29, 686404), (58, 343202), (116, 171601), (157, 126788), (314, 63394), (628, 31697), (1093, 18212), (2186, 9106), (4372, 4553)]