19323520

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 46787400

約数和(自身を除く): 27463880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 277, 320, 436, 545, 554, 640, 872, 1090, 1108, 1385, 1744, 2180, 2216, 2770, 3488, 4360, 4432, 5540, 6976, 8720, 8864, 11080, 13952, 17440, 17728, 22160, 30193, 34880, 35456, 44320, 60386, 69760, 88640, 120772, 150965, 177280, 241544, 301930, 483088, 603860, 966176, 1207720, 1932352, 2415440, 3864704, 4830880, 9661760, 19323520]

約数ペア:

[(1, 19323520), (2, 9661760), (4, 4830880), (5, 3864704), (8, 2415440), (10, 1932352), (16, 1207720), (20, 966176), (32, 603860), (40, 483088), (64, 301930), (80, 241544), (109, 177280), (128, 150965), (160, 120772), (218, 88640), (277, 69760), (320, 60386), (436, 44320), (545, 35456), (554, 34880), (640, 30193), (872, 22160), (1090, 17728), (1108, 17440), (1385, 13952), (1744, 11080), (2180, 8864), (2216, 8720), (2770, 6976), (3488, 5540), (4360, 4432)]