17920793597

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 22893035520

約数和(自身を除く): 4972241923

約数列:

[1, 7, 19, 23, 127, 133, 161, 163, 283, 437, 889, 1141, 1981, 2413, 2921, 3059, 3097, 3749, 5377, 6509, 16891, 20447, 20701, 21679, 26243, 35941, 37639, 45563, 46129, 55499, 71231, 123671, 144907, 251587, 322903, 388493, 393319, 476123, 498617, 682879, 826643, 865697, 876451, 1060967, 2753233, 3332861, 4780153, 5786501, 5858383, 6135157, 7426769, 9046337, 15706217, 20158373, 41008681, 63324359, 109943519, 111309277, 134742809, 141108611, 779164939, 943199663, 2560113371, 17920793597]

約数ペア:

[(1, 17920793597), (7, 2560113371), (19, 943199663), (23, 779164939), (127, 141108611), (133, 134742809), (161, 111309277), (163, 109943519), (283, 63324359), (437, 41008681), (889, 20158373), (1141, 15706217), (1981, 9046337), (2413, 7426769), (2921, 6135157), (3059, 5858383), (3097, 5786501), (3749, 4780153), (5377, 3332861), (6509, 2753233), (16891, 1060967), (20447, 876451), (20701, 865697), (21679, 826643), (26243, 682879), (35941, 498617), (37639, 476123), (45563, 393319), (46129, 388493), (55499, 322903), (71231, 251587), (123671, 144907)]