18790160

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{673}}^1$

素因数の和:1035

約数の個数: 40

約数和(自身を含む): 43877400

約数和(自身を除く): 25087240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 673, 698, 1346, 1396, 1745, 2692, 2792, 3365, 3490, 5384, 5584, 6730, 6980, 10768, 13460, 13960, 26920, 27920, 53840, 234877, 469754, 939508, 1174385, 1879016, 2348770, 3758032, 4697540, 9395080, 18790160]

約数ペア:

[(1, 18790160), (2, 9395080), (4, 4697540), (5, 3758032), (8, 2348770), (10, 1879016), (16, 1174385), (20, 939508), (40, 469754), (80, 234877), (349, 53840), (673, 27920), (698, 26920), (1346, 13960), (1396, 13460), (1745, 10768), (2692, 6980), (2792, 6730), (3365, 5584), (3490, 5384)]