19038080

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 46046880

約数和(自身を除く): 27008800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 197, 302, 320, 394, 604, 640, 755, 788, 985, 1208, 1510, 1576, 1970, 2416, 3020, 3152, 3940, 4832, 6040, 6304, 7880, 9664, 12080, 12608, 15760, 19328, 24160, 25216, 29747, 31520, 48320, 59494, 63040, 96640, 118988, 126080, 148735, 237976, 297470, 475952, 594940, 951904, 1189880, 1903808, 2379760, 3807616, 4759520, 9519040, 19038080]

約数ペア:

[(1, 19038080), (2, 9519040), (4, 4759520), (5, 3807616), (8, 2379760), (10, 1903808), (16, 1189880), (20, 951904), (32, 594940), (40, 475952), (64, 297470), (80, 237976), (128, 148735), (151, 126080), (160, 118988), (197, 96640), (302, 63040), (320, 59494), (394, 48320), (604, 31520), (640, 29747), (755, 25216), (788, 24160), (985, 19328), (1208, 15760), (1510, 12608), (1576, 12080), (1970, 9664), (2416, 7880), (3020, 6304), (3152, 6040), (3940, 4832)]