18718522

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{571}}^1$

素因数の和:1053

約数の個数: 16

約数和(自身を含む): 28952352

約数和(自身を除く): 10233830

約数列:

[1, 2, 37, 74, 443, 571, 886, 1142, 16391, 21127, 32782, 42254, 252953, 505906, 9359261, 18718522]

約数ペア:

[(1, 18718522), (2, 9359261), (37, 505906), (74, 252953), (443, 42254), (571, 32782), (886, 21127), (1142, 16391)]