19831231

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 6088769

約数列:

[1, 7, 17, 19, 49, 119, 133, 179, 323, 343, 833, 931, 1253, 2261, 3043, 3401, 5831, 6517, 8771, 15827, 21301, 23807, 57817, 61397, 110789, 149107, 166649, 404719, 1043749, 1166543, 2833033, 19831231]

約数ペア:

[(1, 19831231), (7, 2833033), (17, 1166543), (19, 1043749), (49, 404719), (119, 166649), (133, 149107), (179, 110789), (323, 61397), (343, 57817), (833, 23807), (931, 21301), (1253, 15827), (2261, 8771), (3043, 6517), (3401, 5831)]