2018385428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1\times {\mathrm{859}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 3814272000

約数和(自身を除く): 1795886572

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 719, 817, 859, 1438, 1634, 1718, 2876, 3268, 3436, 13661, 16321, 27322, 30917, 32642, 36937, 54644, 61834, 65284, 73874, 123668, 147748, 587423, 617621, 701803, 1174846, 1235242, 1403606, 2349692, 2470484, 2807212, 11734799, 23469598, 26557703, 46939196, 53115406, 106230812, 504596357, 1009192714, 2018385428]

約数ペア:

[(1, 2018385428), (2, 1009192714), (4, 504596357), (19, 106230812), (38, 53115406), (43, 46939196), (76, 26557703), (86, 23469598), (172, 11734799), (719, 2807212), (817, 2470484), (859, 2349692), (1438, 1403606), (1634, 1235242), (1718, 1174846), (2876, 701803), (3268, 617621), (3436, 587423), (13661, 147748), (16321, 123668), (27322, 73874), (30917, 65284), (32642, 61834), (36937, 54644)]