18973207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 22058784

約数和(自身を除く): 3085577

約数列:

[1, 11, 17, 187, 241, 421, 2651, 4097, 4631, 7157, 45067, 78727, 101461, 1116071, 1724837, 18973207]

約数ペア:

[(1, 18973207), (11, 1724837), (17, 1116071), (187, 101461), (241, 78727), (421, 45067), (2651, 7157), (4097, 4631)]