19007681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8012

約数の個数: 16

約数和(自身を含む): 24465408

約数和(自身を除く): 5457727

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 7963, 55741, 87593, 246853, 613151, 1727971, 2715383, 19007681]

約数ペア:

[(1, 19007681), (7, 2715383), (11, 1727971), (31, 613151), (77, 246853), (217, 87593), (341, 55741), (2387, 7963)]