19954917

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:932

約数の個数: 28

約数和(自身を含む): 30918784

約数和(自身を除く): 10963867

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 729, 837, 883, 2511, 2649, 7533, 7947, 22599, 23841, 27373, 71523, 82119, 214569, 246357, 643707, 739071, 2217213, 6651639, 19954917]

約数ペア:

[(1, 19954917), (3, 6651639), (9, 2217213), (27, 739071), (31, 643707), (81, 246357), (93, 214569), (243, 82119), (279, 71523), (729, 27373), (837, 23841), (883, 22599), (2511, 7947), (2649, 7533)]