18286712

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 35230800

約数和(自身を除く): 16944088

約数列:

[1, 2, 4, 8, 67, 109, 134, 218, 268, 313, 436, 536, 626, 872, 1252, 2504, 7303, 14606, 20971, 29212, 34117, 41942, 58424, 68234, 83884, 136468, 167768, 272936, 2285839, 4571678, 9143356, 18286712]

約数ペア:

[(1, 18286712), (2, 9143356), (4, 4571678), (8, 2285839), (67, 272936), (109, 167768), (134, 136468), (218, 83884), (268, 68234), (313, 58424), (436, 41942), (536, 34117), (626, 29212), (872, 20971), (1252, 14606), (2504, 7303)]