18913303352

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{16417}}^1$

素因数の和:16680

約数の個数: 64

約数和(自身を含む): 38619076320

約数和(自身を除く): 19705772968

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 197, 344, 394, 731, 788, 1462, 1576, 2924, 3349, 5848, 6698, 8471, 13396, 16417, 16942, 26792, 32834, 33884, 65668, 67768, 131336, 144007, 279089, 288014, 558178, 576028, 705931, 1116356, 1152056, 1411862, 2232712, 2823724, 3234149, 5647448, 6468298, 12000827, 12936596, 24001654, 25873192, 48003308, 54980533, 96006616, 109961066, 139068407, 219922132, 278136814, 439844264, 556273628, 1112547256, 2364162919, 4728325838, 9456651676, 18913303352]

約数ペア:

[(1, 18913303352), (2, 9456651676), (4, 4728325838), (8, 2364162919), (17, 1112547256), (34, 556273628), (43, 439844264), (68, 278136814), (86, 219922132), (136, 139068407), (172, 109961066), (197, 96006616), (344, 54980533), (394, 48003308), (731, 25873192), (788, 24001654), (1462, 12936596), (1576, 12000827), (2924, 6468298), (3349, 5647448), (5848, 3234149), (6698, 2823724), (8471, 2232712), (13396, 1411862), (16417, 1152056), (16942, 1116356), (26792, 705931), (32834, 576028), (33884, 558178), (65668, 288014), (67768, 279089), (131336, 144007)]