19398224

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71317}}^1$

素因数の和:71342

約数の個数: 20

約数和(自身を含む): 39795444

約数和(自身を除く): 20397220

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71317, 142634, 285268, 570536, 1141072, 1212389, 2424778, 4849556, 9699112, 19398224]

約数ペア:

[(1, 19398224), (2, 9699112), (4, 4849556), (8, 2424778), (16, 1212389), (17, 1141072), (34, 570536), (68, 285268), (136, 142634), (272, 71317)]