18508728688

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{859}}^1\times {\mathrm{25409}}^1$

素因数の和:26329

約数の個数: 40

約数和(自身を含む): 36581252400

約数和(自身を除く): 18072523712

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 859, 1718, 3436, 6872, 13744, 25409, 45527, 50818, 91054, 101636, 182108, 203272, 364216, 406544, 728432, 1346677, 2693354, 5386708, 10773416, 21546832, 21826331, 43652662, 87305324, 174610648, 349221296, 1156795543, 2313591086, 4627182172, 9254364344, 18508728688]

約数ペア:

[(1, 18508728688), (2, 9254364344), (4, 4627182172), (8, 2313591086), (16, 1156795543), (53, 349221296), (106, 174610648), (212, 87305324), (424, 43652662), (848, 21826331), (859, 21546832), (1718, 10773416), (3436, 5386708), (6872, 2693354), (13744, 1346677), (25409, 728432), (45527, 406544), (50818, 364216), (91054, 203272), (101636, 182108)]