3940976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{18947}}^1$

素因数の和:18968

約数の個数: 20

約数和(自身を含む): 8223432

約数和(自身を除く): 4282456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 18947, 37894, 75788, 151576, 246311, 303152, 492622, 985244, 1970488, 3940976]

約数ペア:

[(1, 3940976), (2, 1970488), (4, 985244), (8, 492622), (13, 303152), (16, 246311), (26, 151576), (52, 75788), (104, 37894), (208, 18947)]