19009930

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26041}}^1$

素因数の和:26121

約数の個数: 16

約数和(自身を含む): 34687944

約数和(自身を除く): 15678014

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 26041, 52082, 130205, 260410, 1900993, 3801986, 9504965, 19009930]

約数ペア:

[(1, 19009930), (2, 9504965), (5, 3801986), (10, 1900993), (73, 260410), (146, 130205), (365, 52082), (730, 26041)]