19553095

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1249}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 24480000

約数和(自身を除く): 4926905

約数列:

[1, 5, 31, 101, 155, 505, 1249, 3131, 6245, 15655, 38719, 126149, 193595, 630745, 3910619, 19553095]

約数ペア:

[(1, 19553095), (5, 3910619), (31, 630745), (101, 193595), (155, 126149), (505, 38719), (1249, 15655), (3131, 6245)]