19397479905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{115163}}^1$

素因数の和:115390

約数の個数: 48

約数和(自身を含む): 35571856320

約数和(自身を除く): 16174376415

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 197, 285, 591, 855, 985, 1773, 2955, 3743, 8865, 11229, 18715, 33687, 56145, 115163, 168435, 345489, 575815, 1036467, 1727445, 2188097, 5182335, 6564291, 10940485, 19692873, 22687111, 32821455, 68061333, 98464365, 113435555, 204183999, 340306665, 431055109, 1020919995, 1293165327, 2155275545, 3879495981, 6465826635, 19397479905]

約数ペア:

[(1, 19397479905), (3, 6465826635), (5, 3879495981), (9, 2155275545), (15, 1293165327), (19, 1020919995), (45, 431055109), (57, 340306665), (95, 204183999), (171, 113435555), (197, 98464365), (285, 68061333), (591, 32821455), (855, 22687111), (985, 19692873), (1773, 10940485), (2955, 6564291), (3743, 5182335), (8865, 2188097), (11229, 1727445), (18715, 1036467), (33687, 575815), (56145, 345489), (115163, 168435)]