19419507

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5101}}^1$

素因数の和:5160

約数の個数: 20

約数和(自身を含む): 29632416

約数和(自身を除く): 10212909

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5101, 15303, 45909, 137727, 239747, 413181, 719241, 2157723, 6473169, 19419507]

約数ペア:

[(1, 19419507), (3, 6473169), (9, 2157723), (27, 719241), (47, 413181), (81, 239747), (141, 137727), (423, 45909), (1269, 15303), (3807, 5101)]