18963867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6661}}^1$

素因数の和:6750

約数の個数: 16

約数和(自身を含む): 27607328

約数和(自身を除く): 8643461

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 6661, 19983, 86593, 259779, 486253, 1458759, 6321289, 18963867]

約数ペア:

[(1, 18963867), (3, 6321289), (13, 1458759), (39, 486253), (73, 259779), (219, 86593), (949, 19983), (2847, 6661)]