18867400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3253}}^1$

素因数の和:3298

約数の個数: 48

約数和(自身を含む): 45393300

約数和(自身を除く): 26525900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3253, 5800, 6506, 13012, 16265, 26024, 32530, 65060, 81325, 94337, 130120, 162650, 188674, 325300, 377348, 471685, 650600, 754696, 943370, 1886740, 2358425, 3773480, 4716850, 9433700, 18867400]

約数ペア:

[(1, 18867400), (2, 9433700), (4, 4716850), (5, 3773480), (8, 2358425), (10, 1886740), (20, 943370), (25, 754696), (29, 650600), (40, 471685), (50, 377348), (58, 325300), (100, 188674), (116, 162650), (145, 130120), (200, 94337), (232, 81325), (290, 65060), (580, 32530), (725, 26024), (1160, 16265), (1450, 13012), (2900, 6506), (3253, 5800)]