19291855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8079665

約数列:

[1, 5, 11, 17, 47, 55, 85, 187, 235, 439, 517, 799, 935, 2195, 2585, 3995, 4829, 7463, 8789, 20633, 24145, 37315, 43945, 82093, 103165, 226963, 350761, 410465, 1134815, 1753805, 3858371, 19291855]

約数ペア:

[(1, 19291855), (5, 3858371), (11, 1753805), (17, 1134815), (47, 410465), (55, 350761), (85, 226963), (187, 103165), (235, 82093), (439, 43945), (517, 37315), (799, 24145), (935, 20633), (2195, 8789), (2585, 7463), (3995, 4829)]