19189760

素因数分解:

$2^{12}\times 5^1\times {\mathrm{937}}^1$

素因数の和:966

約数の個数: 52

約数和(自身を含む): 46098948

約数和(自身を除く): 26909188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 937, 1024, 1280, 1874, 2048, 2560, 3748, 4096, 4685, 5120, 7496, 9370, 10240, 14992, 18740, 20480, 29984, 37480, 59968, 74960, 119936, 149920, 239872, 299840, 479744, 599680, 959488, 1199360, 1918976, 2398720, 3837952, 4797440, 9594880, 19189760]

約数ペア:

[(1, 19189760), (2, 9594880), (4, 4797440), (5, 3837952), (8, 2398720), (10, 1918976), (16, 1199360), (20, 959488), (32, 599680), (40, 479744), (64, 299840), (80, 239872), (128, 149920), (160, 119936), (256, 74960), (320, 59968), (512, 37480), (640, 29984), (937, 20480), (1024, 18740), (1280, 14992), (1874, 10240), (2048, 9370), (2560, 7496), (3748, 5120), (4096, 4685)]