2019998290

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2269661}}^1$

素因数の和:2269757

約数の個数: 16

約数和(自身を含む): 3676852440

約数和(自身を除く): 1656854150

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2269661, 4539322, 11348305, 22696610, 201999829, 403999658, 1009999145, 2019998290]

約数ペア:

[(1, 2019998290), (2, 1009999145), (5, 403999658), (10, 201999829), (89, 22696610), (178, 11348305), (445, 4539322), (890, 2269661)]