19940386

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1283}}^1$

素因数の和:1713

約数の個数: 16

約数和(自身を含む): 31586400

約数和(自身を除く): 11646014

約数列:

[1, 2, 19, 38, 409, 818, 1283, 2566, 7771, 15542, 24377, 48754, 524747, 1049494, 9970193, 19940386]

約数ペア:

[(1, 19940386), (2, 9970193), (19, 1049494), (38, 524747), (409, 48754), (818, 24377), (1283, 15542), (2566, 7771)]