17905120

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2381}}^1$

素因数の和:2443

約数の個数: 48

約数和(自身を含む): 43219008

約数和(自身を除く): 25313888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 2381, 3760, 4762, 7520, 9524, 11905, 19048, 23810, 38096, 47620, 76192, 95240, 111907, 190480, 223814, 380960, 447628, 559535, 895256, 1119070, 1790512, 2238140, 3581024, 4476280, 8952560, 17905120]

約数ペア:

[(1, 17905120), (2, 8952560), (4, 4476280), (5, 3581024), (8, 2238140), (10, 1790512), (16, 1119070), (20, 895256), (32, 559535), (40, 447628), (47, 380960), (80, 223814), (94, 190480), (160, 111907), (188, 95240), (235, 76192), (376, 47620), (470, 38096), (752, 23810), (940, 19048), (1504, 11905), (1880, 9524), (2381, 7520), (3760, 4762)]