1920199689

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1030703}}^1$

素因数の和:1030738

約数の個数: 20

約数和(自身を含む): 2993164416

約数和(自身を除く): 1072964727

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 1030703, 3092109, 9276327, 23706169, 27828981, 71118507, 83486943, 213355521, 640066563, 1920199689]

約数ペア:

[(1, 1920199689), (3, 640066563), (9, 213355521), (23, 83486943), (27, 71118507), (69, 27828981), (81, 23706169), (207, 9276327), (621, 3092109), (1863, 1030703)]