19489329

素因数分解:

$3^5\times {\mathrm{139}}^1\times {\mathrm{577}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 29454880

約数和(自身を除く): 9965551

約数列:

[1, 3, 9, 27, 81, 139, 243, 417, 577, 1251, 1731, 3753, 5193, 11259, 15579, 33777, 46737, 80203, 140211, 240609, 721827, 2165481, 6496443, 19489329]

約数ペア:

[(1, 19489329), (3, 6496443), (9, 2165481), (27, 721827), (81, 240609), (139, 140211), (243, 80203), (417, 46737), (577, 33777), (1251, 15579), (1731, 11259), (3753, 5193)]