19743040

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:719

約数の個数: 56

約数和(自身を含む): 47548800

約数和(自身を除く): 27805760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 599, 824, 1030, 1198, 1648, 2060, 2396, 2995, 3296, 4120, 4792, 5990, 6592, 8240, 9584, 11980, 16480, 19168, 23960, 32960, 38336, 47920, 61697, 95840, 123394, 191680, 246788, 308485, 493576, 616970, 987152, 1233940, 1974304, 2467880, 3948608, 4935760, 9871520, 19743040]

約数ペア:

[(1, 19743040), (2, 9871520), (4, 4935760), (5, 3948608), (8, 2467880), (10, 1974304), (16, 1233940), (20, 987152), (32, 616970), (40, 493576), (64, 308485), (80, 246788), (103, 191680), (160, 123394), (206, 95840), (320, 61697), (412, 47920), (515, 38336), (599, 32960), (824, 23960), (1030, 19168), (1198, 16480), (1648, 11980), (2060, 9584), (2396, 8240), (2995, 6592), (3296, 5990), (4120, 4792)]