19703164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2543}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 17693636

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2543, 3874, 5086, 7748, 10172, 33059, 66118, 132236, 378907, 757814, 1515628, 4925791, 9851582, 19703164]

約数ペア:

[(1, 19703164), (2, 9851582), (4, 4925791), (13, 1515628), (26, 757814), (52, 378907), (149, 132236), (298, 66118), (596, 33059), (1937, 10172), (2543, 7748), (3874, 5086)]