18752800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2162

約数の個数: 72

約数和(自身を含む): 49965552

約数和(自身を除く): 31212752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2131, 2200, 4262, 4400, 8524, 8800, 10655, 17048, 21310, 23441, 34096, 42620, 46882, 53275, 68192, 85240, 93764, 106550, 117205, 170480, 187528, 213100, 234410, 340960, 375056, 426200, 468820, 586025, 750112, 852400, 937640, 1172050, 1704800, 1875280, 2344100, 3750560, 4688200, 9376400, 18752800]

約数ペア:

[(1, 18752800), (2, 9376400), (4, 4688200), (5, 3750560), (8, 2344100), (10, 1875280), (11, 1704800), (16, 1172050), (20, 937640), (22, 852400), (25, 750112), (32, 586025), (40, 468820), (44, 426200), (50, 375056), (55, 340960), (80, 234410), (88, 213100), (100, 187528), (110, 170480), (160, 117205), (176, 106550), (200, 93764), (220, 85240), (275, 68192), (352, 53275), (400, 46882), (440, 42620), (550, 34096), (800, 23441), (880, 21310), (1100, 17048), (1760, 10655), (2131, 8800), (2200, 8524), (4262, 4400)]