18888931732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1873

約数の個数: 96

約数和(自身を含む): 37904267520

約数和(自身を除く): 19015335788

約数列:

[1, 2, 4, 11, 22, 41, 44, 71, 82, 89, 142, 164, 178, 284, 356, 451, 781, 902, 979, 1562, 1657, 1804, 1958, 2911, 3124, 3314, 3649, 3916, 5822, 6319, 6628, 7298, 11644, 12638, 14596, 18227, 25276, 32021, 36454, 40139, 64042, 67937, 69509, 72908, 80278, 117647, 128084, 135874, 139018, 147473, 160556, 235294, 259079, 271748, 278036, 294946, 470588, 518158, 589892, 747307, 1036316, 1294117, 1494614, 1622203, 2588234, 2849869, 2989228, 3244406, 4823527, 5176468, 5699738, 6046393, 6488812, 9647054, 10470583, 11399476, 12092786, 19294108, 20941166, 24185572, 41882332, 53058797, 66510323, 106117594, 115176413, 133020646, 212235188, 230352826, 266041292, 429293903, 460705652, 858587806, 1717175612, 4722232933, 9444465866, 18888931732]

約数ペア:

[(1, 18888931732), (2, 9444465866), (4, 4722232933), (11, 1717175612), (22, 858587806), (41, 460705652), (44, 429293903), (71, 266041292), (82, 230352826), (89, 212235188), (142, 133020646), (164, 115176413), (178, 106117594), (284, 66510323), (356, 53058797), (451, 41882332), (781, 24185572), (902, 20941166), (979, 19294108), (1562, 12092786), (1657, 11399476), (1804, 10470583), (1958, 9647054), (2911, 6488812), (3124, 6046393), (3314, 5699738), (3649, 5176468), (3916, 4823527), (5822, 3244406), (6319, 2989228), (6628, 2849869), (7298, 2588234), (11644, 1622203), (12638, 1494614), (14596, 1294117), (18227, 1036316), (25276, 747307), (32021, 589892), (36454, 518158), (40139, 470588), (64042, 294946), (67937, 278036), (69509, 271748), (72908, 259079), (80278, 235294), (117647, 160556), (128084, 147473), (135874, 139018)]