19197291

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{787}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 26325504

約数和(自身を除く): 7128213

約数列:

[1, 3, 47, 141, 173, 519, 787, 2361, 8131, 24393, 36989, 110967, 136151, 408453, 6399097, 19197291]

約数ペア:

[(1, 19197291), (3, 6399097), (47, 408453), (141, 136151), (173, 110967), (519, 36989), (787, 24393), (2361, 8131)]