18866510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1409}}^1$

素因数の和:1532

約数の個数: 32

約数和(自身を含む): 36953280

約数和(自身を除く): 18086770

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 1409, 2678, 2818, 6695, 7045, 13390, 14090, 18317, 36634, 91585, 145127, 183170, 290254, 725635, 1451270, 1886651, 3773302, 9433255, 18866510]

約数ペア:

[(1, 18866510), (2, 9433255), (5, 3773302), (10, 1886651), (13, 1451270), (26, 725635), (65, 290254), (103, 183170), (130, 145127), (206, 91585), (515, 36634), (1030, 18317), (1339, 14090), (1409, 13390), (2678, 7045), (2818, 6695)]