18149440

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1319}}^1$

素因数の和:1379

約数の個数: 56

約数和(自身を含む): 44256960

約数和(自身を除く): 26107520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1319, 1376, 1720, 2638, 2752, 3440, 5276, 6595, 6880, 10552, 13190, 13760, 21104, 26380, 42208, 52760, 56717, 84416, 105520, 113434, 211040, 226868, 283585, 422080, 453736, 567170, 907472, 1134340, 1814944, 2268680, 3629888, 4537360, 9074720, 18149440]

約数ペア:

[(1, 18149440), (2, 9074720), (4, 4537360), (5, 3629888), (8, 2268680), (10, 1814944), (16, 1134340), (20, 907472), (32, 567170), (40, 453736), (43, 422080), (64, 283585), (80, 226868), (86, 211040), (160, 113434), (172, 105520), (215, 84416), (320, 56717), (344, 52760), (430, 42208), (688, 26380), (860, 21104), (1319, 13760), (1376, 13190), (1720, 10552), (2638, 6880), (2752, 6595), (3440, 5276)]