18524428

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 36

約数和(自身を含む): 35714280

約数和(自身を除く): 17189852

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 169, 268, 338, 409, 676, 818, 871, 1636, 1742, 3484, 5317, 10634, 11323, 21268, 22646, 27403, 45292, 54806, 69121, 109612, 138242, 276484, 356239, 712478, 1424956, 4631107, 9262214, 18524428]

約数ペア:

[(1, 18524428), (2, 9262214), (4, 4631107), (13, 1424956), (26, 712478), (52, 356239), (67, 276484), (134, 138242), (169, 109612), (268, 69121), (338, 54806), (409, 45292), (676, 27403), (818, 22646), (871, 21268), (1636, 11323), (1742, 10634), (3484, 5317)]