19952774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12211}}^1$

素因数の和:12275

約数の個数: 16

約数和(自身を含む): 32239680

約数和(自身を除く): 12286906

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12211, 24422, 232009, 464018, 525073, 1050146, 9976387, 19952774]

約数ペア:

[(1, 19952774), (2, 9976387), (19, 1050146), (38, 525073), (43, 464018), (86, 232009), (817, 24422), (1634, 12211)]