19842723

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 30932928

約数和(自身を除く): 11090205

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2447, 2703, 7341, 8109, 22023, 41599, 124797, 129691, 374391, 389073, 1167219, 2204747, 6614241, 19842723]

約数ペア:

[(1, 19842723), (3, 6614241), (9, 2204747), (17, 1167219), (51, 389073), (53, 374391), (153, 129691), (159, 124797), (477, 41599), (901, 22023), (2447, 8109), (2703, 7341)]