19894186

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14437}}^1$

素因数の和:14505

約数の個数: 16

約数和(自身を含む): 32745384

約数和(自身を除く): 12851198

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 14437, 28874, 187681, 375362, 765161, 1530322, 9947093, 19894186]

約数ペア:

[(1, 19894186), (2, 9947093), (13, 1530322), (26, 765161), (53, 375362), (106, 187681), (689, 28874), (1378, 14437)]