18970237

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2580

約数の個数: 16

約数和(自身を含む): 22716288

約数和(自身を除く): 3746051

約数列:

[1, 11, 13, 53, 143, 583, 689, 2503, 7579, 27533, 32539, 132659, 357929, 1459249, 1724567, 18970237]

約数ペア:

[(1, 18970237), (11, 1724567), (13, 1459249), (53, 357929), (143, 132659), (583, 32539), (689, 27533), (2503, 7579)]