19270978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6947}}^1$

素因数の和:7041

約数の個数: 16

約数和(自身を含む): 30849120

約数和(自身を除く): 11578142

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 6947, 13894, 131993, 263986, 507131, 1014262, 9635489, 19270978]

約数ペア:

[(1, 19270978), (2, 9635489), (19, 1014262), (38, 507131), (73, 263986), (146, 131993), (1387, 13894), (2774, 6947)]