19996298

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20117}}^1$

素因数の和:20197

約数の個数: 16

約数和(自身を含む): 34763904

約数和(自身を除く): 14767606

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20117, 40234, 140819, 281638, 1428307, 2856614, 9998149, 19996298]

約数ペア:

[(1, 19996298), (2, 9998149), (7, 2856614), (14, 1428307), (71, 281638), (142, 140819), (497, 40234), (994, 20117)]