18171760

素因数分解:

$2^4\times 5^1\times {\mathrm{227147}}^1$

素因数の和:227160

約数の個数: 20

約数和(自身を含む): 42249528

約数和(自身を除く): 24077768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227147, 454294, 908588, 1135735, 1817176, 2271470, 3634352, 4542940, 9085880, 18171760]

約数ペア:

[(1, 18171760), (2, 9085880), (4, 4542940), (5, 3634352), (8, 2271470), (10, 1817176), (16, 1135735), (20, 908588), (40, 454294), (80, 227147)]