18515868542

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{67429}}^1$

素因数の和:67608

約数の個数: 32

約数和(自身を含む): 29621729280

約数和(自身を除く): 11105860738

約数列:

[1, 2, 31, 43, 62, 86, 103, 206, 1333, 2666, 3193, 4429, 6386, 8858, 67429, 134858, 137299, 274598, 2090299, 2899447, 4180598, 5798894, 6945187, 13890374, 89882857, 179765714, 215300797, 298643041, 430601594, 597286082, 9257934271, 18515868542]

約数ペア:

[(1, 18515868542), (2, 9257934271), (31, 597286082), (43, 430601594), (62, 298643041), (86, 215300797), (103, 179765714), (206, 89882857), (1333, 13890374), (2666, 6945187), (3193, 5798894), (4429, 4180598), (6386, 2899447), (8858, 2090299), (67429, 274598), (134858, 137299)]