1917996819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{67433}}^1$

素因数の和:67954

約数の個数: 16

約数和(自身を含む): 2697360000

約数和(自身を除く): 779363181

約数列:

[1, 3, 19, 57, 499, 1497, 9481, 28443, 67433, 202299, 1281227, 3843681, 33649067, 100947201, 639332273, 1917996819]

約数ペア:

[(1, 1917996819), (3, 639332273), (19, 100947201), (57, 33649067), (499, 3843681), (1497, 1281227), (9481, 202299), (28443, 67433)]