19996138

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1123}}^1$

素因数の和:1461

約数の個数: 16

約数和(自身を含む): 31157280

約数和(自身を除く): 11161142

約数列:

[1, 2, 29, 58, 307, 614, 1123, 2246, 8903, 17806, 32567, 65134, 344761, 689522, 9998069, 19996138]

約数ペア:

[(1, 19996138), (2, 9998069), (29, 689522), (58, 344761), (307, 65134), (614, 32567), (1123, 17806), (2246, 8903)]