19963044752

素因数分解:

$2^4\times 7^1\times {\mathrm{1637}}^1\times {\mathrm{108883}}^1$

素因数の和:110535

約数の個数: 40

約数和(自身を含む): 44231294016

約数和(自身を除く): 24268249264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1637, 3274, 6548, 11459, 13096, 22918, 26192, 45836, 91672, 108883, 183344, 217766, 435532, 762181, 871064, 1524362, 1742128, 3048724, 6097448, 12194896, 178241471, 356482942, 712965884, 1247690297, 1425931768, 2495380594, 2851863536, 4990761188, 9981522376, 19963044752]

約数ペア:

[(1, 19963044752), (2, 9981522376), (4, 4990761188), (7, 2851863536), (8, 2495380594), (14, 1425931768), (16, 1247690297), (28, 712965884), (56, 356482942), (112, 178241471), (1637, 12194896), (3274, 6097448), (6548, 3048724), (11459, 1742128), (13096, 1524362), (22918, 871064), (26192, 762181), (45836, 435532), (91672, 217766), (108883, 183344)]