18064640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1283}}^1$

素因数の和:1315

約数の個数: 72

約数和(自身を含む): 47240928

約数和(自身を除く): 29176288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1283, 1408, 1760, 2566, 2816, 3520, 5132, 6415, 7040, 10264, 12830, 14080, 14113, 20528, 25660, 28226, 41056, 51320, 56452, 70565, 82112, 102640, 112904, 141130, 164224, 205280, 225808, 282260, 328448, 410560, 451616, 564520, 821120, 903232, 1129040, 1642240, 1806464, 2258080, 3612928, 4516160, 9032320, 18064640]

約数ペア:

[(1, 18064640), (2, 9032320), (4, 4516160), (5, 3612928), (8, 2258080), (10, 1806464), (11, 1642240), (16, 1129040), (20, 903232), (22, 821120), (32, 564520), (40, 451616), (44, 410560), (55, 328448), (64, 282260), (80, 225808), (88, 205280), (110, 164224), (128, 141130), (160, 112904), (176, 102640), (220, 82112), (256, 70565), (320, 56452), (352, 51320), (440, 41056), (640, 28226), (704, 25660), (880, 20528), (1280, 14113), (1283, 14080), (1408, 12830), (1760, 10264), (2566, 7040), (2816, 6415), (3520, 5132)]