19788595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12253}}^1$

素因数の和:12294

約数の個数: 16

約数和(自身を含む): 26468640

約数和(自身を除く): 6680045

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 12253, 61265, 208301, 232807, 1041505, 1164035, 3957719, 19788595]

約数ペア:

[(1, 19788595), (5, 3957719), (17, 1164035), (19, 1041505), (85, 232807), (95, 208301), (323, 61265), (1615, 12253)]