19616121

素因数分解:

$3^3\times 7^2\times {\mathrm{14827}}^1$

素因数の和:14850

約数の個数: 24

約数和(自身を含む): 33807840

約数和(自身を除く): 14191719

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 14827, 44481, 103789, 133443, 311367, 400329, 726523, 934101, 2179569, 2802303, 6538707, 19616121]

約数ペア:

[(1, 19616121), (3, 6538707), (7, 2802303), (9, 2179569), (21, 934101), (27, 726523), (49, 400329), (63, 311367), (147, 133443), (189, 103789), (441, 44481), (1323, 14827)]