19854589

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 22988160

約数和(自身を除く): 3133571

約数列:

[1, 17, 23, 29, 103, 289, 391, 493, 667, 1751, 2369, 2987, 6647, 8381, 11339, 29767, 40273, 50779, 68701, 192763, 684641, 863243, 1167917, 19854589]

約数ペア:

[(1, 19854589), (17, 1167917), (23, 863243), (29, 684641), (103, 192763), (289, 68701), (391, 50779), (493, 40273), (667, 29767), (1751, 11339), (2369, 8381), (2987, 6647)]