18521703

素因数分解:

$3^9\times {\mathrm{941}}^1$

素因数の和:968

約数の個数: 20

約数和(自身を含む): 27811608

約数和(自身を除く): 9289905

約数列:

[1, 3, 9, 27, 81, 243, 729, 941, 2187, 2823, 6561, 8469, 19683, 25407, 76221, 228663, 685989, 2057967, 6173901, 18521703]

約数ペア:

[(1, 18521703), (3, 6173901), (9, 2057967), (27, 685989), (81, 228663), (243, 76221), (729, 25407), (941, 19683), (2187, 8469), (2823, 6561)]