19484649

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 29183232

約数和(自身を除く): 9698583

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 631, 657, 1893, 3431, 5679, 10293, 29657, 30879, 46063, 88971, 138189, 266913, 414567, 2164961, 6494883, 19484649]

約数ペア:

[(1, 19484649), (3, 6494883), (9, 2164961), (47, 414567), (73, 266913), (141, 138189), (219, 88971), (423, 46063), (631, 30879), (657, 29657), (1893, 10293), (3431, 5679)]