19665442

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:825

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 10332638

約数列:

[1, 2, 127, 139, 254, 278, 557, 1114, 17653, 35306, 70739, 77423, 141478, 154846, 9832721, 19665442]

約数ペア:

[(1, 19665442), (2, 9832721), (127, 154846), (139, 141478), (254, 77423), (278, 70739), (557, 35306), (1114, 17653)]