18838899

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12241}}^1$

素因数の和:12272

約数の個数: 20

約数和(自身を含む): 29625640

約数和(自身を除く): 10786741

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12241, 36723, 110169, 232579, 330507, 697737, 991521, 2093211, 6279633, 18838899]

約数ペア:

[(1, 18838899), (3, 6279633), (9, 2093211), (19, 991521), (27, 697737), (57, 330507), (81, 232579), (171, 110169), (513, 36723), (1539, 12241)]