19889883

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3617}}^1$

素因数の和:3683

約数の個数: 24

約数和(自身を含む): 31606848

約数和(自身を除く): 11716965

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 423, 611, 1833, 3617, 5499, 10851, 32553, 47021, 141063, 169999, 423189, 509997, 1529991, 2209987, 6629961, 19889883]

約数ペア:

[(1, 19889883), (3, 6629961), (9, 2209987), (13, 1529991), (39, 509997), (47, 423189), (117, 169999), (141, 141063), (423, 47021), (611, 32553), (1833, 10851), (3617, 5499)]