18732123

素因数分解:

$3^2\times {\mathrm{113}}^2\times {\mathrm{163}}^1$

素因数の和:395

約数の個数: 18

約数和(自身を含む): 27466556

約数和(自身を除く): 8734433

約数列:

[1, 3, 9, 113, 163, 339, 489, 1017, 1467, 12769, 18419, 38307, 55257, 114921, 165771, 2081347, 6244041, 18732123]

約数ペア:

[(1, 18732123), (3, 6244041), (9, 2081347), (113, 165771), (163, 114921), (339, 55257), (489, 38307), (1017, 18419), (1467, 12769)]