19131371

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 22775808

約数和(自身を除く): 3644437

約数列:

[1, 7, 31, 131, 217, 673, 917, 4061, 4711, 20863, 28427, 88163, 146041, 617141, 2733053, 19131371]

約数ペア:

[(1, 19131371), (7, 2733053), (31, 617141), (131, 146041), (217, 88163), (673, 28427), (917, 20863), (4061, 4711)]