19720741318

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1\times {\mathrm{93979}}^1$

素因数の和:94659

約数の個数: 16

約数和(自身を含む): 29772864000

約数和(自身を除く): 10052122682

約数列:

[1, 2, 239, 439, 478, 878, 93979, 104921, 187958, 209842, 22460981, 41256781, 44921962, 82513562, 9860370659, 19720741318]

約数ペア:

[(1, 19720741318), (2, 9860370659), (239, 82513562), (439, 44921962), (478, 41256781), (878, 22460981), (93979, 209842), (104921, 187958)]