18550371

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 29327184

約数和(自身を除く): 10776813

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2381, 2597, 7143, 7791, 16667, 50001, 116669, 126193, 350007, 378579, 883351, 2650053, 6183457, 18550371]

約数ペア:

[(1, 18550371), (3, 6183457), (7, 2650053), (21, 883351), (49, 378579), (53, 350007), (147, 126193), (159, 116669), (371, 50001), (1113, 16667), (2381, 7791), (2597, 7143)]