17900622

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 42624000

約数和(自身を除く): 24723378

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 114, 146, 171, 219, 239, 342, 438, 478, 513, 657, 717, 1026, 1314, 1387, 1434, 1971, 2151, 2774, 3942, 4161, 4302, 4541, 6453, 8322, 9082, 12483, 12906, 13623, 17447, 24966, 27246, 34894, 37449, 40869, 52341, 74898, 81738, 104682, 122607, 157023, 245214, 314046, 331493, 471069, 662986, 942138, 994479, 1988958, 2983437, 5966874, 8950311, 17900622]

約数ペア:

[(1, 17900622), (2, 8950311), (3, 5966874), (6, 2983437), (9, 1988958), (18, 994479), (19, 942138), (27, 662986), (38, 471069), (54, 331493), (57, 314046), (73, 245214), (114, 157023), (146, 122607), (171, 104682), (219, 81738), (239, 74898), (342, 52341), (438, 40869), (478, 37449), (513, 34894), (657, 27246), (717, 24966), (1026, 17447), (1314, 13623), (1387, 12906), (1434, 12483), (1971, 9082), (2151, 8322), (2774, 6453), (3942, 4541), (4161, 4302)]