19817030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86161}}^1$

素因数の和:86191

約数の個数: 16

約数和(自身を含む): 37221984

約数和(自身を除く): 17404954

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 86161, 172322, 430805, 861610, 1981703, 3963406, 9908515, 19817030]

約数ペア:

[(1, 19817030), (2, 9908515), (5, 3963406), (10, 1981703), (23, 861610), (46, 430805), (115, 172322), (230, 86161)]