19538640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2467}}^1$

素因数の和:2497

約数の個数: 120

約数和(自身を含む): 71611488

約数和(自身を除く): 52072848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2467, 2640, 3960, 4934, 7401, 7920, 9868, 12335, 14802, 19736, 22203, 24670, 27137, 29604, 37005, 39472, 44406, 49340, 54274, 59208, 74010, 81411, 88812, 98680, 108548, 111015, 118416, 135685, 148020, 162822, 177624, 197360, 217096, 222030, 244233, 271370, 296040, 325644, 355248, 407055, 434192, 444060, 488466, 542740, 592080, 651288, 814110, 888120, 976932, 1085480, 1221165, 1302576, 1628220, 1776240, 1953864, 2170960, 2442330, 3256440, 3907728, 4884660, 6512880, 9769320, 19538640]

約数ペア:

[(1, 19538640), (2, 9769320), (3, 6512880), (4, 4884660), (5, 3907728), (6, 3256440), (8, 2442330), (9, 2170960), (10, 1953864), (11, 1776240), (12, 1628220), (15, 1302576), (16, 1221165), (18, 1085480), (20, 976932), (22, 888120), (24, 814110), (30, 651288), (33, 592080), (36, 542740), (40, 488466), (44, 444060), (45, 434192), (48, 407055), (55, 355248), (60, 325644), (66, 296040), (72, 271370), (80, 244233), (88, 222030), (90, 217096), (99, 197360), (110, 177624), (120, 162822), (132, 148020), (144, 135685), (165, 118416), (176, 111015), (180, 108548), (198, 98680), (220, 88812), (240, 81411), (264, 74010), (330, 59208), (360, 54274), (396, 49340), (440, 44406), (495, 39472), (528, 37005), (660, 29604), (720, 27137), (792, 24670), (880, 22203), (990, 19736), (1320, 14802), (1584, 12335), (1980, 9868), (2467, 7920), (2640, 7401), (3960, 4934)]