18409251

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2053}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 29035344

約数和(自身を除く): 10626093

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2053, 2989, 6159, 8967, 14371, 43113, 100597, 125233, 301791, 375699, 876631, 2629893, 6136417, 18409251]

約数ペア:

[(1, 18409251), (3, 6136417), (7, 2629893), (21, 876631), (49, 375699), (61, 301791), (147, 125233), (183, 100597), (427, 43113), (1281, 14371), (2053, 8967), (2989, 6159)]