19876513

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 21445200

約数和(自身を除く): 1568687

約数列:

[1, 29, 41, 73, 229, 1189, 2117, 2993, 6641, 9389, 16717, 86797, 272281, 484793, 685397, 19876513]

約数ペア:

[(1, 19876513), (29, 685397), (41, 484793), (73, 272281), (229, 86797), (1189, 16717), (2117, 9389), (2993, 6641)]