19193680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 51585984

約数和(自身を除く): 32392304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1283, 1360, 1496, 1870, 2566, 2992, 3740, 5132, 6415, 7480, 10264, 12830, 14113, 14960, 20528, 21811, 25660, 28226, 43622, 51320, 56452, 70565, 87244, 102640, 109055, 112904, 141130, 174488, 218110, 225808, 239921, 282260, 348976, 436220, 479842, 564520, 872440, 959684, 1129040, 1199605, 1744880, 1919368, 2399210, 3838736, 4798420, 9596840, 19193680]

約数ペア:

[(1, 19193680), (2, 9596840), (4, 4798420), (5, 3838736), (8, 2399210), (10, 1919368), (11, 1744880), (16, 1199605), (17, 1129040), (20, 959684), (22, 872440), (34, 564520), (40, 479842), (44, 436220), (55, 348976), (68, 282260), (80, 239921), (85, 225808), (88, 218110), (110, 174488), (136, 141130), (170, 112904), (176, 109055), (187, 102640), (220, 87244), (272, 70565), (340, 56452), (374, 51320), (440, 43622), (680, 28226), (748, 25660), (880, 21811), (935, 20528), (1283, 14960), (1360, 14113), (1496, 12830), (1870, 10264), (2566, 7480), (2992, 6415), (3740, 5132)]