19760156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{29231}}^1$

素因数の和:29261

約数の個数: 18

約数和(自身を含む): 37446192

約数和(自身を除く): 17686036

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 29231, 58462, 116924, 380003, 760006, 1520012, 4940039, 9880078, 19760156]

約数ペア:

[(1, 19760156), (2, 9880078), (4, 4940039), (13, 1520012), (26, 760006), (52, 380003), (169, 116924), (338, 58462), (676, 29231)]