18665673

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20809}}^1$

素因数の和:20848

約数の個数: 16

約数和(自身を含む): 27968640

約数和(自身を除く): 9302967

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 20809, 62427, 270517, 478607, 811551, 1435821, 6221891, 18665673]

約数ペア:

[(1, 18665673), (3, 6221891), (13, 1435821), (23, 811551), (39, 478607), (69, 270517), (299, 62427), (897, 20809)]