2011920812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{232109}}^1$

素因数の和:232321

約数の個数: 24

約数和(自身を含む): 3860453520

約数和(自身を除く): 1848532708

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 232109, 464218, 928436, 2553199, 5106398, 10212796, 45725473, 91450946, 182901892, 502980203, 1005960406, 2011920812]

約数ペア:

[(1, 2011920812), (2, 1005960406), (4, 502980203), (11, 182901892), (22, 91450946), (44, 45725473), (197, 10212796), (394, 5106398), (788, 2553199), (2167, 928436), (4334, 464218), (8668, 232109)]