18391588

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 32895072

約数和(自身を除く): 14503484

約数列:

[1, 2, 4, 97, 107, 194, 214, 388, 428, 443, 886, 1772, 10379, 20758, 41516, 42971, 47401, 85942, 94802, 171884, 189604, 4597897, 9195794, 18391588]

約数ペア:

[(1, 18391588), (2, 9195794), (4, 4597897), (97, 189604), (107, 171884), (194, 94802), (214, 85942), (388, 47401), (428, 42971), (443, 41516), (886, 20758), (1772, 10379)]