19665928

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 37992960

約数和(自身を除く): 18327032

約数列:

[1, 2, 4, 8, 47, 94, 188, 193, 271, 376, 386, 542, 772, 1084, 1544, 2168, 9071, 12737, 18142, 25474, 36284, 50948, 52303, 72568, 101896, 104606, 209212, 418424, 2458241, 4916482, 9832964, 19665928]

約数ペア:

[(1, 19665928), (2, 9832964), (4, 4916482), (8, 2458241), (47, 418424), (94, 209212), (188, 104606), (193, 101896), (271, 72568), (376, 52303), (386, 50948), (542, 36284), (772, 25474), (1084, 18142), (1544, 12737), (2168, 9071)]