18690237

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{30097}}^1$

素因数の和:30129

約数の個数: 16

約数和(自身を含む): 28894080

約数和(自身を除く): 10203843

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 30097, 90291, 270873, 692231, 812619, 2076693, 6230079, 18690237]

約数ペア:

[(1, 18690237), (3, 6230079), (9, 2076693), (23, 812619), (27, 692231), (69, 270873), (207, 90291), (621, 30097)]