19437341

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 7104739

約数列:

[1, 7, 11, 17, 31, 77, 119, 187, 217, 341, 479, 527, 1309, 2387, 3353, 3689, 5269, 5797, 8143, 14849, 36883, 40579, 57001, 89573, 103943, 163339, 252433, 627011, 1143373, 1767031, 2776763, 19437341]

約数ペア:

[(1, 19437341), (7, 2776763), (11, 1767031), (17, 1143373), (31, 627011), (77, 252433), (119, 163339), (187, 103943), (217, 89573), (341, 57001), (479, 40579), (527, 36883), (1309, 14849), (2387, 8143), (3353, 5797), (3689, 5269)]