18718533

素因数分解:

$3^{10}\times {\mathrm{317}}^1$

素因数の和:347

約数の個数: 22

約数和(自身を含む): 28166214

約数和(自身を除く): 9447681

約数列:

[1, 3, 9, 27, 81, 243, 317, 729, 951, 2187, 2853, 6561, 8559, 19683, 25677, 59049, 77031, 231093, 693279, 2079837, 6239511, 18718533]

約数ペア:

[(1, 18718533), (3, 6239511), (9, 2079837), (27, 693279), (81, 231093), (243, 77031), (317, 59049), (729, 25677), (951, 19683), (2187, 8559), (2853, 6561)]