18164447

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 22301136

約数和(自身を除く): 4136689

約数列:

[1, 7, 37, 43, 49, 233, 259, 301, 1591, 1631, 1813, 2107, 8621, 10019, 11137, 11417, 60347, 70133, 77959, 370703, 422429, 490931, 2594921, 18164447]

約数ペア:

[(1, 18164447), (7, 2594921), (37, 490931), (43, 422429), (49, 370703), (233, 77959), (259, 70133), (301, 60347), (1591, 11417), (1631, 11137), (1813, 10019), (2107, 8621)]