12505518

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 28169856

約数和(自身を除く): 15664338

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 107, 129, 151, 214, 258, 302, 321, 387, 453, 642, 774, 906, 963, 1359, 1926, 2718, 4601, 6493, 9202, 12986, 13803, 16157, 19479, 27606, 32314, 38958, 41409, 48471, 58437, 82818, 96942, 116874, 145413, 290826, 694751, 1389502, 2084253, 4168506, 6252759, 12505518]

約数ペア:

[(1, 12505518), (2, 6252759), (3, 4168506), (6, 2084253), (9, 1389502), (18, 694751), (43, 290826), (86, 145413), (107, 116874), (129, 96942), (151, 82818), (214, 58437), (258, 48471), (302, 41409), (321, 38958), (387, 32314), (453, 27606), (642, 19479), (774, 16157), (906, 13803), (963, 12986), (1359, 9202), (1926, 6493), (2718, 4601)]