2178179630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19801633}}^1$

素因数の和:19801651

約数の個数: 16

約数和(自身を含む): 4277152944

約数和(自身を除く): 2098973314

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19801633, 39603266, 99008165, 198016330, 217817963, 435635926, 1089089815, 2178179630]

約数ペア:

[(1, 2178179630), (2, 1089089815), (5, 435635926), (10, 217817963), (11, 198016330), (22, 99008165), (55, 39603266), (110, 19801633)]