18933633

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 28966080

約数和(自身を除く): 10032447

約数列:

[1, 3, 9, 19, 57, 171, 263, 421, 789, 1263, 2367, 3789, 4997, 7999, 14991, 23997, 44973, 71991, 110723, 332169, 996507, 2103737, 6311211, 18933633]

約数ペア:

[(1, 18933633), (3, 6311211), (9, 2103737), (19, 996507), (57, 332169), (171, 110723), (263, 71991), (421, 44973), (789, 23997), (1263, 14991), (2367, 7999), (3789, 4997)]