19742373

素因数分解:

$3^4\times 7^1\times {\mathrm{34819}}^1$

素因数の和:34838

約数の個数: 20

約数和(自身を含む): 33705760

約数和(自身を除く): 13963387

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34819, 104457, 243733, 313371, 731199, 940113, 2193597, 2820339, 6580791, 19742373]

約数ペア:

[(1, 19742373), (3, 6580791), (7, 2820339), (9, 2193597), (21, 940113), (27, 731199), (63, 313371), (81, 243733), (189, 104457), (567, 34819)]