19492421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{457}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 22390704

約数和(自身を除く): 2898283

約数列:

[1, 13, 17, 193, 221, 457, 2509, 3281, 5941, 7769, 42653, 88201, 100997, 1146613, 1499417, 19492421]

約数ペア:

[(1, 19492421), (13, 1499417), (17, 1146613), (193, 100997), (221, 88201), (457, 42653), (2509, 7769), (3281, 5941)]