18983261

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 22171200

約数和(自身を除く): 3187939

約数列:

[1, 11, 19, 61, 209, 671, 1159, 1489, 12749, 16379, 28291, 90829, 311201, 999119, 1725751, 18983261]

約数ペア:

[(1, 18983261), (11, 1725751), (19, 999119), (61, 311201), (209, 90829), (671, 28291), (1159, 16379), (1489, 12749)]