18821153

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3313}}^1$

素因数の和:3368

約数の個数: 16

約数和(自身を含む): 22270080

約数和(自身を除く): 3448927

約数列:

[1, 13, 19, 23, 247, 299, 437, 3313, 5681, 43069, 62947, 76199, 818311, 990587, 1447781, 18821153]

約数ペア:

[(1, 18821153), (13, 1447781), (19, 990587), (23, 818311), (247, 76199), (299, 62947), (437, 43069), (3313, 5681)]