18796160

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 46046880

約数和(自身を除く): 27250720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 683, 688, 860, 1366, 1376, 1720, 2732, 2752, 3415, 3440, 5464, 5504, 6830, 6880, 10928, 13660, 13760, 21856, 27320, 27520, 29369, 43712, 54640, 58738, 87424, 109280, 117476, 146845, 218560, 234952, 293690, 437120, 469904, 587380, 939808, 1174760, 1879616, 2349520, 3759232, 4699040, 9398080, 18796160]

約数ペア:

[(1, 18796160), (2, 9398080), (4, 4699040), (5, 3759232), (8, 2349520), (10, 1879616), (16, 1174760), (20, 939808), (32, 587380), (40, 469904), (43, 437120), (64, 293690), (80, 234952), (86, 218560), (128, 146845), (160, 117476), (172, 109280), (215, 87424), (320, 58738), (344, 54640), (430, 43712), (640, 29369), (683, 27520), (688, 27320), (860, 21856), (1366, 13760), (1376, 13660), (1720, 10928), (2732, 6880), (2752, 6830), (3415, 5504), (3440, 5464)]