19702449

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8863}}^1$

素因数の和:8901

約数の個数: 24

約数和(自身を含む): 32264960

約数和(自身を除く): 12562511

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8863, 26589, 79767, 115219, 168397, 345657, 505191, 1036971, 1515573, 2189161, 6567483, 19702449]

約数ペア:

[(1, 19702449), (3, 6567483), (9, 2189161), (13, 1515573), (19, 1036971), (39, 505191), (57, 345657), (117, 168397), (171, 115219), (247, 79767), (741, 26589), (2223, 8863)]