19718030

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27011}}^1$

素因数の和:27091

約数の個数: 16

約数和(自身を含む): 35979984

約数和(自身を除く): 16261954

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 27011, 54022, 135055, 270110, 1971803, 3943606, 9859015, 19718030]

約数ペア:

[(1, 19718030), (2, 9859015), (5, 3943606), (10, 1971803), (73, 270110), (146, 135055), (365, 54022), (730, 27011)]