19856078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10141}}^1$

素因数の和:10243

約数の個数: 16

約数和(自身を含む): 32860080

約数和(自身を除く): 13004002

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10141, 20282, 111551, 223102, 902549, 1805098, 9928039, 19856078]

約数ペア:

[(1, 19856078), (2, 9928039), (11, 1805098), (22, 902549), (89, 223102), (178, 111551), (979, 20282), (1958, 10141)]