19616864

素因数分解:

$2^5\times {\mathrm{223}}^1\times {\mathrm{2749}}^1$

素因数の和:2982

約数の個数: 24

約数和(自身を含む): 38808000

約数和(自身を除く): 19191136

約数列:

[1, 2, 4, 8, 16, 32, 223, 446, 892, 1784, 2749, 3568, 5498, 7136, 10996, 21992, 43984, 87968, 613027, 1226054, 2452108, 4904216, 9808432, 19616864]

約数ペア:

[(1, 19616864), (2, 9808432), (4, 4904216), (8, 2452108), (16, 1226054), (32, 613027), (223, 87968), (446, 43984), (892, 21992), (1784, 10996), (2749, 7136), (3568, 5498)]