19228641

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 26488128

約数和(自身を除く): 7259487

約数列:

[1, 3, 37, 111, 211, 633, 821, 2463, 7807, 23421, 30377, 91131, 173231, 519693, 6409547, 19228641]

約数ペア:

[(1, 19228641), (3, 6409547), (37, 519693), (111, 173231), (211, 91131), (633, 30377), (821, 23421), (2463, 7807)]