19176987

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 26260992

約数和(自身を除く): 7084005

約数列:

[1, 3, 47, 141, 277, 491, 831, 1473, 13019, 23077, 39057, 69231, 136007, 408021, 6392329, 19176987]

約数ペア:

[(1, 19176987), (3, 6392329), (47, 408021), (141, 136007), (277, 69231), (491, 39057), (831, 23077), (1473, 13019)]