18908330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{863}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 39066624

約数和(自身を除く): 20158294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 863, 1565, 1726, 2191, 3130, 4315, 4382, 6041, 8630, 10955, 12082, 21910, 30205, 60410, 270119, 540238, 1350595, 1890833, 2701190, 3781666, 9454165, 18908330]

約数ペア:

[(1, 18908330), (2, 9454165), (5, 3781666), (7, 2701190), (10, 1890833), (14, 1350595), (35, 540238), (70, 270119), (313, 60410), (626, 30205), (863, 21910), (1565, 12082), (1726, 10955), (2191, 8630), (3130, 6041), (4315, 4382)]