18743945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20047}}^1$

素因数の和:20080

約数の個数: 16

約数和(自身を含む): 25982208

約数和(自身を除く): 7238263

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20047, 100235, 220517, 340799, 1102585, 1703995, 3748789, 18743945]

約数ペア:

[(1, 18743945), (5, 3748789), (11, 1703995), (17, 1102585), (55, 340799), (85, 220517), (187, 100235), (935, 20047)]