19799743041

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{56731}}^1$

素因数の和:56926

約数の個数: 48

約数和(自身を含む): 32627707840

約数和(自身を除く): 12827964799

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 157, 171, 247, 471, 741, 1413, 2041, 2223, 2983, 6123, 8949, 18369, 26847, 38779, 56731, 116337, 170193, 349011, 510579, 737503, 1077889, 2212509, 3233667, 6637527, 8906767, 9701001, 14012557, 26720301, 42037671, 80160903, 115787971, 126113013, 169228573, 347363913, 507685719, 1042091739, 1523057157, 2199971449, 6599914347, 19799743041]

約数ペア:

[(1, 19799743041), (3, 6599914347), (9, 2199971449), (13, 1523057157), (19, 1042091739), (39, 507685719), (57, 347363913), (117, 169228573), (157, 126113013), (171, 115787971), (247, 80160903), (471, 42037671), (741, 26720301), (1413, 14012557), (2041, 9701001), (2223, 8906767), (2983, 6637527), (6123, 3233667), (8949, 2212509), (18369, 1077889), (26847, 737503), (38779, 510579), (56731, 349011), (116337, 170193)]