19382000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:915

約数の個数: 80

約数和(自身を含む): 51184224

約数和(自身を除く): 31802224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 881, 1000, 1100, 1375, 1762, 2000, 2200, 2750, 3524, 4400, 4405, 5500, 7048, 8810, 9691, 11000, 14096, 17620, 19382, 22000, 22025, 35240, 38764, 44050, 48455, 70480, 77528, 88100, 96910, 110125, 155056, 176200, 193820, 220250, 242275, 352400, 387640, 440500, 484550, 775280, 881000, 969100, 1211375, 1762000, 1938200, 2422750, 3876400, 4845500, 9691000, 19382000]

約数ペア:

[(1, 19382000), (2, 9691000), (4, 4845500), (5, 3876400), (8, 2422750), (10, 1938200), (11, 1762000), (16, 1211375), (20, 969100), (22, 881000), (25, 775280), (40, 484550), (44, 440500), (50, 387640), (55, 352400), (80, 242275), (88, 220250), (100, 193820), (110, 176200), (125, 155056), (176, 110125), (200, 96910), (220, 88100), (250, 77528), (275, 70480), (400, 48455), (440, 44050), (500, 38764), (550, 35240), (880, 22025), (881, 22000), (1000, 19382), (1100, 17620), (1375, 14096), (1762, 11000), (2000, 9691), (2200, 8810), (2750, 7048), (3524, 5500), (4400, 4405)]