18213208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 19082792

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2399, 3796, 4798, 7592, 9596, 19192, 31187, 62374, 124748, 175127, 249496, 350254, 700508, 1401016, 2276651, 4553302, 9106604, 18213208]

約数ペア:

[(1, 18213208), (2, 9106604), (4, 4553302), (8, 2276651), (13, 1401016), (26, 700508), (52, 350254), (73, 249496), (104, 175127), (146, 124748), (292, 62374), (584, 31187), (949, 19192), (1898, 9596), (2399, 7592), (3796, 4798)]