19678994

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7219}}^1$

素因数の和:7297

約数の個数: 16

約数和(自身を含む): 31190400

約数和(自身を除く): 11511406

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7219, 14438, 209351, 339293, 418702, 678586, 9839497, 19678994]

約数ペア:

[(1, 19678994), (2, 9839497), (29, 678586), (47, 418702), (58, 339293), (94, 209351), (1363, 14438), (2726, 7219)]