18497985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 32762880

約数和(自身を除く): 14264895

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 1579, 2343, 3905, 4737, 7895, 11715, 17369, 23685, 52107, 86845, 112109, 260535, 336327, 560545, 1233199, 1681635, 3699597, 6165995, 18497985]

約数ペア:

[(1, 18497985), (3, 6165995), (5, 3699597), (11, 1681635), (15, 1233199), (33, 560545), (55, 336327), (71, 260535), (165, 112109), (213, 86845), (355, 52107), (781, 23685), (1065, 17369), (1579, 11715), (2343, 7895), (3905, 4737)]