18468855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21601}}^1$

素因数の和:21631

約数の個数: 24

約数和(自身を含む): 33699120

約数和(自身を除く): 15230265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21601, 64803, 108005, 194409, 324015, 410419, 972045, 1231257, 2052095, 3693771, 6156285, 18468855]

約数ペア:

[(1, 18468855), (3, 6156285), (5, 3693771), (9, 2052095), (15, 1231257), (19, 972045), (45, 410419), (57, 324015), (95, 194409), (171, 108005), (285, 64803), (855, 21601)]