20181991684

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{2731}}^1\times {\mathrm{26021}}^1$

素因数の和:28827

約数の個数: 24

約数和(自身を含む): 35830420416

約数和(自身を除く): 15648428732

約数列:

[1, 2, 4, 71, 142, 284, 2731, 5462, 10924, 26021, 52042, 104084, 193901, 387802, 775604, 1847491, 3694982, 7389964, 71063351, 142126702, 284253404, 5045497921, 10090995842, 20181991684]

約数ペア:

[(1, 20181991684), (2, 10090995842), (4, 5045497921), (71, 284253404), (142, 142126702), (284, 71063351), (2731, 7389964), (5462, 3694982), (10924, 1847491), (26021, 775604), (52042, 387802), (104084, 193901)]