18355856

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17123}}^1$

素因数の和:17198

約数の個数: 20

約数和(自身を含む): 36097392

約数和(自身を除く): 17741536

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17123, 34246, 68492, 136984, 273968, 1147241, 2294482, 4588964, 9177928, 18355856]

約数ペア:

[(1, 18355856), (2, 9177928), (4, 4588964), (8, 2294482), (16, 1147241), (67, 273968), (134, 136984), (268, 68492), (536, 34246), (1072, 17123)]