18765873

素因数分解:

$3^2\times 7^3\times {\mathrm{6079}}^1$

素因数の和:6106

約数の個数: 24

約数和(自身を含む): 31616000

約数和(自身を除く): 12850127

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6079, 18237, 42553, 54711, 127659, 297871, 382977, 893613, 2085097, 2680839, 6255291, 18765873]

約数ペア:

[(1, 18765873), (3, 6255291), (7, 2680839), (9, 2085097), (21, 893613), (49, 382977), (63, 297871), (147, 127659), (343, 54711), (441, 42553), (1029, 18237), (3087, 6079)]