18459040

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2683}}^1$

素因数の和:2741

約数の個数: 48

約数和(自身を含む): 44640288

約数和(自身を除く): 26181248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2683, 3440, 5366, 6880, 10732, 13415, 21464, 26830, 42928, 53660, 85856, 107320, 115369, 214640, 230738, 429280, 461476, 576845, 922952, 1153690, 1845904, 2307380, 3691808, 4614760, 9229520, 18459040]

約数ペア:

[(1, 18459040), (2, 9229520), (4, 4614760), (5, 3691808), (8, 2307380), (10, 1845904), (16, 1153690), (20, 922952), (32, 576845), (40, 461476), (43, 429280), (80, 230738), (86, 214640), (160, 115369), (172, 107320), (215, 85856), (344, 53660), (430, 42928), (688, 26830), (860, 21464), (1376, 13415), (1720, 10732), (2683, 6880), (3440, 5366)]