19753727

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 25006080

約数和(自身を除く): 5252353

約数列:

[1, 7, 29, 31, 43, 73, 203, 217, 301, 511, 899, 1247, 1333, 2117, 2263, 3139, 6293, 8729, 9331, 14819, 15841, 21973, 38657, 65627, 91031, 97309, 270599, 459389, 637217, 681163, 2821961, 19753727]

約数ペア:

[(1, 19753727), (7, 2821961), (29, 681163), (31, 637217), (43, 459389), (73, 270599), (203, 97309), (217, 91031), (301, 65627), (511, 38657), (899, 21973), (1247, 15841), (1333, 14819), (2117, 9331), (2263, 8729), (3139, 6293)]