18589950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:506

約数の個数: 72

約数和(自身を含む): 50536200

約数和(自身を除く): 31946250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 109, 150, 218, 225, 327, 379, 450, 545, 654, 758, 981, 1090, 1137, 1635, 1895, 1962, 2274, 2725, 3270, 3411, 3790, 4905, 5450, 5685, 6822, 8175, 9475, 9810, 11370, 16350, 17055, 18950, 24525, 28425, 34110, 41311, 49050, 56850, 82622, 85275, 123933, 170550, 206555, 247866, 371799, 413110, 619665, 743598, 1032775, 1239330, 1858995, 2065550, 3098325, 3717990, 6196650, 9294975, 18589950]

約数ペア:

[(1, 18589950), (2, 9294975), (3, 6196650), (5, 3717990), (6, 3098325), (9, 2065550), (10, 1858995), (15, 1239330), (18, 1032775), (25, 743598), (30, 619665), (45, 413110), (50, 371799), (75, 247866), (90, 206555), (109, 170550), (150, 123933), (218, 85275), (225, 82622), (327, 56850), (379, 49050), (450, 41311), (545, 34110), (654, 28425), (758, 24525), (981, 18950), (1090, 17055), (1137, 16350), (1635, 11370), (1895, 9810), (1962, 9475), (2274, 8175), (2725, 6822), (3270, 5685), (3411, 5450), (3790, 4905)]