18620134

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 32235840

約数和(自身を除く): 13615706

約数列:

[1, 2, 13, 17, 26, 34, 103, 206, 221, 409, 442, 818, 1339, 1751, 2678, 3502, 5317, 6953, 10634, 13906, 22763, 42127, 45526, 84254, 90389, 180778, 547651, 716159, 1095302, 1432318, 9310067, 18620134]

約数ペア:

[(1, 18620134), (2, 9310067), (13, 1432318), (17, 1095302), (26, 716159), (34, 547651), (103, 180778), (206, 90389), (221, 84254), (409, 45526), (442, 42127), (818, 22763), (1339, 13906), (1751, 10634), (2678, 6953), (3502, 5317)]