19936125

素因数分解:

$3^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:217

約数の個数: 80

約数和(自身を含む): 40772160

約数和(自身を除く): 20836035

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 125, 135, 165, 179, 225, 275, 297, 375, 405, 495, 537, 675, 825, 891, 895, 1125, 1375, 1485, 1611, 1969, 2025, 2475, 2685, 3375, 4125, 4455, 4475, 4833, 5907, 7425, 8055, 9845, 10125, 12375, 13425, 14499, 17721, 22275, 22375, 24165, 29535, 37125, 40275, 49225, 53163, 67125, 72495, 88605, 111375, 120825, 147675, 159489, 201375, 246125, 265815, 362475, 443025, 604125, 738375, 797445, 1329075, 1812375, 2215125, 3987225, 6645375, 19936125]

約数ペア:

[(1, 19936125), (3, 6645375), (5, 3987225), (9, 2215125), (11, 1812375), (15, 1329075), (25, 797445), (27, 738375), (33, 604125), (45, 443025), (55, 362475), (75, 265815), (81, 246125), (99, 201375), (125, 159489), (135, 147675), (165, 120825), (179, 111375), (225, 88605), (275, 72495), (297, 67125), (375, 53163), (405, 49225), (495, 40275), (537, 37125), (675, 29535), (825, 24165), (891, 22375), (895, 22275), (1125, 17721), (1375, 14499), (1485, 13425), (1611, 12375), (1969, 10125), (2025, 9845), (2475, 8055), (2685, 7425), (3375, 5907), (4125, 4833), (4455, 4475)]