17891185

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 24033024

約数和(自身を除く): 6141839

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 683, 845, 2015, 3415, 5239, 8879, 21173, 26195, 44395, 105865, 115427, 275249, 577135, 1376245, 3578237, 17891185]

約数ペア:

[(1, 17891185), (5, 3578237), (13, 1376245), (31, 577135), (65, 275249), (155, 115427), (169, 105865), (403, 44395), (683, 26195), (845, 21173), (2015, 8879), (3415, 5239)]