19259804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1223}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 35094528

約数和(自身を除く): 15834724

約数列:

[1, 2, 4, 31, 62, 124, 127, 254, 508, 1223, 2446, 3937, 4892, 7874, 15748, 37913, 75826, 151652, 155321, 310642, 621284, 4814951, 9629902, 19259804]

約数ペア:

[(1, 19259804), (2, 9629902), (4, 4814951), (31, 621284), (62, 310642), (124, 155321), (127, 151652), (254, 75826), (508, 37913), (1223, 15748), (2446, 7874), (3937, 4892)]