19901054

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{883}}^1$

素因数の和:1135

約数の個数: 16

約数和(自身を含む): 30551040

約数和(自身を除く): 10649986

約数列:

[1, 2, 59, 118, 191, 382, 883, 1766, 11269, 22538, 52097, 104194, 168653, 337306, 9950527, 19901054]

約数ペア:

[(1, 19901054), (2, 9950527), (59, 337306), (118, 168653), (191, 104194), (382, 52097), (883, 22538), (1766, 11269)]