16980394

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{881}}^1$

素因数の和:1325

約数の個数: 16

約数和(自身を含む): 26671680

約数和(自身を除く): 9691286

約数列:

[1, 2, 23, 46, 419, 838, 881, 1762, 9637, 19274, 20263, 40526, 369139, 738278, 8490197, 16980394]

約数ペア:

[(1, 16980394), (2, 8490197), (23, 738278), (46, 369139), (419, 40526), (838, 20263), (881, 19274), (1762, 9637)]