19886030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86461}}^1$

素因数の和:86491

約数の個数: 16

約数和(自身を含む): 37351584

約数和(自身を除く): 17465554

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 86461, 172922, 432305, 864610, 1988603, 3977206, 9943015, 19886030]

約数ペア:

[(1, 19886030), (2, 9943015), (5, 3977206), (10, 1988603), (23, 864610), (46, 432305), (115, 172922), (230, 86461)]