18980151

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{593}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 7022793

約数列:

[1, 3, 47, 141, 227, 593, 681, 1779, 10669, 27871, 32007, 83613, 134611, 403833, 6326717, 18980151]

約数ペア:

[(1, 18980151), (3, 6326717), (47, 403833), (141, 134611), (227, 83613), (593, 32007), (681, 27871), (1779, 10669)]