19512542

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 15216418

約数列:

[1, 2, 7, 14, 37, 74, 139, 259, 271, 278, 518, 542, 973, 1897, 1946, 3794, 5143, 10027, 10286, 20054, 36001, 37669, 70189, 72002, 75338, 140378, 263683, 527366, 1393753, 2787506, 9756271, 19512542]

約数ペア:

[(1, 19512542), (2, 9756271), (7, 2787506), (14, 1393753), (37, 527366), (74, 263683), (139, 140378), (259, 75338), (271, 72002), (278, 70189), (518, 37669), (542, 36001), (973, 20054), (1897, 10286), (1946, 10027), (3794, 5143)]