9902090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{90019}}^1$

素因数の和:90037

約数の個数: 16

約数和(自身を含む): 19444320

約数和(自身を除く): 9542230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 90019, 180038, 450095, 900190, 990209, 1980418, 4951045, 9902090]

約数ペア:

[(1, 9902090), (2, 4951045), (5, 1980418), (10, 990209), (11, 900190), (22, 450095), (55, 180038), (110, 90019)]