18340355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2399}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 5851645

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2399, 7645, 11995, 26389, 131945, 333461, 1667305, 3668071, 18340355]

約数ペア:

[(1, 18340355), (5, 3668071), (11, 1667305), (55, 333461), (139, 131945), (695, 26389), (1529, 11995), (2399, 7645)]