19680744

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^2\times {\mathrm{599}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 50652000

約数和(自身を除く): 30971256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 599, 888, 1198, 1369, 1797, 2396, 2738, 3594, 4107, 4792, 5476, 7188, 8214, 10952, 14376, 16428, 22163, 32856, 44326, 66489, 88652, 132978, 177304, 265956, 531912, 820031, 1640062, 2460093, 3280124, 4920186, 6560248, 9840372, 19680744]

約数ペア:

[(1, 19680744), (2, 9840372), (3, 6560248), (4, 4920186), (6, 3280124), (8, 2460093), (12, 1640062), (24, 820031), (37, 531912), (74, 265956), (111, 177304), (148, 132978), (222, 88652), (296, 66489), (444, 44326), (599, 32856), (888, 22163), (1198, 16428), (1369, 14376), (1797, 10952), (2396, 8214), (2738, 7188), (3594, 5476), (4107, 4792)]