19702917

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3583}}^1$

素因数の和:3649

約数の個数: 24

約数和(自身を含む): 31309824

約数和(自身を除く): 11606907

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3583, 5499, 10749, 32247, 46579, 139737, 168401, 419211, 505203, 1515609, 2189213, 6567639, 19702917]

約数ペア:

[(1, 19702917), (3, 6567639), (9, 2189213), (13, 1515609), (39, 505203), (47, 419211), (117, 168401), (141, 139737), (423, 46579), (611, 32247), (1833, 10749), (3583, 5499)]