19990192

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17597}}^1$

素因数の和:17676

約数の個数: 20

約数和(自身を含む): 39278736

約数和(自身を除く): 19288544

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17597, 35194, 70388, 140776, 281552, 1249387, 2498774, 4997548, 9995096, 19990192]

約数ペア:

[(1, 19990192), (2, 9995096), (4, 4997548), (8, 2498774), (16, 1249387), (71, 281552), (142, 140776), (284, 70388), (568, 35194), (1136, 17597)]