18882999

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 28708992

約数和(自身を除く): 9825993

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1277, 1643, 3831, 4929, 11493, 14787, 39587, 67681, 118761, 203043, 356283, 609129, 2098111, 6294333, 18882999]

約数ペア:

[(1, 18882999), (3, 6294333), (9, 2098111), (31, 609129), (53, 356283), (93, 203043), (159, 118761), (279, 67681), (477, 39587), (1277, 14787), (1643, 11493), (3831, 4929)]