920036468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{19813}}^1$

素因数の和:19896

約数の個数: 48

約数和(自身を含む): 1864101120

約数和(自身を除く): 944064652

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 94, 188, 247, 494, 611, 893, 988, 1222, 1786, 2444, 3572, 11609, 19813, 23218, 39626, 46436, 79252, 257569, 376447, 515138, 752894, 931211, 1030276, 1505788, 1862422, 3724844, 4893811, 9787622, 12105743, 17693009, 19575244, 24211486, 35386018, 48422972, 70772036, 230009117, 460018234, 920036468]

約数ペア:

[(1, 920036468), (2, 460018234), (4, 230009117), (13, 70772036), (19, 48422972), (26, 35386018), (38, 24211486), (47, 19575244), (52, 17693009), (76, 12105743), (94, 9787622), (188, 4893811), (247, 3724844), (494, 1862422), (611, 1505788), (893, 1030276), (988, 931211), (1222, 752894), (1786, 515138), (2444, 376447), (3572, 257569), (11609, 79252), (19813, 46436), (23218, 39626)]