22219978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43913}}^1$

素因数の和:43949

約数の個数: 16

約数和(自身を含む): 37941696

約数和(自身を除く): 15721718

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43913, 87826, 483043, 966086, 1009999, 2019998, 11109989, 22219978]

約数ペア:

[(1, 22219978), (2, 11109989), (11, 2019998), (22, 1009999), (23, 966086), (46, 483043), (253, 87826), (506, 43913)]