18711200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1270

約数の個数: 72

約数和(自身を含む): 48121920

約数和(自身を除く): 29410720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1231, 1520, 1900, 2462, 3040, 3800, 4924, 6155, 7600, 9848, 12310, 15200, 19696, 23389, 24620, 30775, 39392, 46778, 49240, 61550, 93556, 98480, 116945, 123100, 187112, 196960, 233890, 246200, 374224, 467780, 492400, 584725, 748448, 935560, 984800, 1169450, 1871120, 2338900, 3742240, 4677800, 9355600, 18711200]

約数ペア:

[(1, 18711200), (2, 9355600), (4, 4677800), (5, 3742240), (8, 2338900), (10, 1871120), (16, 1169450), (19, 984800), (20, 935560), (25, 748448), (32, 584725), (38, 492400), (40, 467780), (50, 374224), (76, 246200), (80, 233890), (95, 196960), (100, 187112), (152, 123100), (160, 116945), (190, 98480), (200, 93556), (304, 61550), (380, 49240), (400, 46778), (475, 39392), (608, 30775), (760, 24620), (800, 23389), (950, 19696), (1231, 15200), (1520, 12310), (1900, 9848), (2462, 7600), (3040, 6155), (3800, 4924)]