19689681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 31150080

約数和(自身を除く): 11460399

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 1013, 1023, 1767, 3039, 6479, 11143, 19247, 19437, 31403, 33429, 57741, 94209, 211717, 345433, 596657, 635151, 1036299, 1789971, 6563227, 19689681]

約数ペア:

[(1, 19689681), (3, 6563227), (11, 1789971), (19, 1036299), (31, 635151), (33, 596657), (57, 345433), (93, 211717), (209, 94209), (341, 57741), (589, 33429), (627, 31403), (1013, 19437), (1023, 19247), (1767, 11143), (3039, 6479)]