19224821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4093}}^1$

素因数の和:4172

約数の個数: 16

約数和(自身を含む): 24367488

約数和(自身を除く): 5142667

約数列:

[1, 7, 11, 61, 77, 427, 671, 4093, 4697, 28651, 45023, 249673, 315161, 1747711, 2746403, 19224821]

約数ペア:

[(1, 19224821), (7, 2746403), (11, 1747711), (61, 315161), (77, 249673), (427, 45023), (671, 28651), (4093, 4697)]