18727245

素因数分解:

$3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1481}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 32598072

約数和(自身を除く): 13870827

約数列:

[1, 3, 5, 9, 15, 45, 281, 843, 1405, 1481, 2529, 4215, 4443, 7405, 12645, 13329, 22215, 66645, 416161, 1248483, 2080805, 3745449, 6242415, 18727245]

約数ペア:

[(1, 18727245), (3, 6242415), (5, 3745449), (9, 2080805), (15, 1248483), (45, 416161), (281, 66645), (843, 22215), (1405, 13329), (1481, 12645), (2529, 7405), (4215, 4443)]