18770967

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 10581993

約数列:

[1, 3, 9, 23, 27, 69, 167, 181, 207, 501, 543, 621, 1503, 1629, 3841, 4163, 4509, 4887, 11523, 12489, 30227, 34569, 37467, 90681, 103707, 112401, 272043, 695221, 816129, 2085663, 6256989, 18770967]

約数ペア:

[(1, 18770967), (3, 6256989), (9, 2085663), (23, 816129), (27, 695221), (69, 272043), (167, 112401), (181, 103707), (207, 90681), (501, 37467), (543, 34569), (621, 30227), (1503, 12489), (1629, 11523), (3841, 4887), (4163, 4509)]