19699768

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 21860072

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 433, 484, 517, 866, 968, 1034, 1732, 2068, 3464, 4136, 4763, 5687, 9526, 11374, 19052, 20351, 22748, 38104, 40702, 45496, 52393, 81404, 104786, 162808, 209572, 223861, 419144, 447722, 895444, 1790888, 2462471, 4924942, 9849884, 19699768]

約数ペア:

[(1, 19699768), (2, 9849884), (4, 4924942), (8, 2462471), (11, 1790888), (22, 895444), (44, 447722), (47, 419144), (88, 223861), (94, 209572), (121, 162808), (188, 104786), (242, 81404), (376, 52393), (433, 45496), (484, 40702), (517, 38104), (866, 22748), (968, 20351), (1034, 19052), (1732, 11374), (2068, 9526), (3464, 5687), (4136, 4763)]