19966070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1924

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 18354058

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1847, 2162, 3694, 5405, 9235, 10810, 18470, 42481, 84962, 86809, 173618, 212405, 424810, 434045, 868090, 1996607, 3993214, 9983035, 19966070]

約数ペア:

[(1, 19966070), (2, 9983035), (5, 3993214), (10, 1996607), (23, 868090), (46, 434045), (47, 424810), (94, 212405), (115, 173618), (230, 86809), (235, 84962), (470, 42481), (1081, 18470), (1847, 10810), (2162, 9235), (3694, 5405)]