19305897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 30183552

約数和(自身を除く): 10877655

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 787, 1443, 1887, 2361, 8177, 10231, 13379, 24531, 29119, 30693, 40137, 87357, 173927, 378547, 495023, 521781, 1135641, 1485069, 6435299, 19305897]

約数ペア:

[(1, 19305897), (3, 6435299), (13, 1485069), (17, 1135641), (37, 521781), (39, 495023), (51, 378547), (111, 173927), (221, 87357), (481, 40137), (629, 30693), (663, 29119), (787, 24531), (1443, 13379), (1887, 10231), (2361, 8177)]