19951011

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 30457856

約数和(自身を除く): 10506845

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 1663, 3999, 4989, 11997, 14967, 51553, 71509, 154659, 214527, 463977, 643581, 2216779, 6650337, 19951011]

約数ペア:

[(1, 19951011), (3, 6650337), (9, 2216779), (31, 643581), (43, 463977), (93, 214527), (129, 154659), (279, 71509), (387, 51553), (1333, 14967), (1663, 11997), (3999, 4989)]