18392990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23887}}^1$

素因数の和:23912

約数の個数: 32

約数和(自身を含む): 41278464

約数和(自身を除く): 22885474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 23887, 47774, 119435, 167209, 238870, 262757, 334418, 525514, 836045, 1313785, 1672090, 1839299, 2627570, 3678598, 9196495, 18392990]

約数ペア:

[(1, 18392990), (2, 9196495), (5, 3678598), (7, 2627570), (10, 1839299), (11, 1672090), (14, 1313785), (22, 836045), (35, 525514), (55, 334418), (70, 262757), (77, 238870), (110, 167209), (154, 119435), (385, 47774), (770, 23887)]