2019405104

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{405829}}^1$

素因数の和:406148

約数の個数: 20

約数和(自身を含む): 3925187760

約数和(自身を除く): 1905782656

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 405829, 811658, 1623316, 3246632, 6493264, 126212819, 252425638, 504851276, 1009702552, 2019405104]

約数ペア:

[(1, 2019405104), (2, 1009702552), (4, 504851276), (8, 252425638), (16, 126212819), (311, 6493264), (622, 3246632), (1244, 1623316), (2488, 811658), (4976, 405829)]