18727233

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{5471}}^1$

素因数の和:5644

約数の個数: 16

約数和(自身を含む): 28717056

約数和(自身を除く): 9989823

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 5471, 16413, 38297, 114891, 891773, 2675319, 6242411, 18727233]

約数ペア:

[(1, 18727233), (3, 6242411), (7, 2675319), (21, 891773), (163, 114891), (489, 38297), (1141, 16413), (3423, 5471)]