18727785

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5701}}^1$

素因数の和:5785

約数の個数: 24

約数和(自身を含む): 32911944

約数和(自身を除く): 14184159

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 5701, 17103, 28505, 51309, 85515, 256545, 416173, 1248519, 2080865, 3745557, 6242595, 18727785]

約数ペア:

[(1, 18727785), (3, 6242595), (5, 3745557), (9, 2080865), (15, 1248519), (45, 416173), (73, 256545), (219, 85515), (365, 51309), (657, 28505), (1095, 17103), (3285, 5701)]