18839810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171271}}^1$

素因数の和:171289

約数の個数: 16

約数和(自身を含む): 36994752

約数和(自身を除く): 18154942

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 171271, 342542, 856355, 1712710, 1883981, 3767962, 9419905, 18839810]

約数ペア:

[(1, 18839810), (2, 9419905), (5, 3767962), (10, 1883981), (11, 1712710), (22, 856355), (55, 342542), (110, 171271)]