18201753

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{11827}}^1$

素因数の和:11858

約数の個数: 20

約数和(自身を含む): 28623760

約数和(自身を除く): 10422007

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 11827, 35481, 106443, 224713, 319329, 674139, 957987, 2022417, 6067251, 18201753]

約数ペア:

[(1, 18201753), (3, 6067251), (9, 2022417), (19, 957987), (27, 674139), (57, 319329), (81, 224713), (171, 106443), (513, 35481), (1539, 11827)]