16821460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44267}}^1$

素因数の和:44295

約数の個数: 24

約数和(自身を含む): 37185120

約数和(自身を除く): 20363660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 44267, 88534, 177068, 221335, 442670, 841073, 885340, 1682146, 3364292, 4205365, 8410730, 16821460]

約数ペア:

[(1, 16821460), (2, 8410730), (4, 4205365), (5, 3364292), (10, 1682146), (19, 885340), (20, 841073), (38, 442670), (76, 221335), (95, 177068), (190, 88534), (380, 44267)]