19968156795

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18749443}}^1$

素因数の和:18749522

約数の個数: 16

約数和(自身を含む): 32399039232

約数和(自身を除く): 12430882437

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18749443, 56248329, 93747215, 281241645, 1331210453, 3993631359, 6656052265, 19968156795]

約数ペア:

[(1, 19968156795), (3, 6656052265), (5, 3993631359), (15, 1331210453), (71, 281241645), (213, 93747215), (355, 56248329), (1065, 18749443)]