18878822

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{677}}^1$

素因数の和:943

約数の個数: 16

約数和(自身を含む): 28899072

約数和(自身を除く): 10020250

約数列:

[1, 2, 73, 146, 191, 382, 677, 1354, 13943, 27886, 49421, 98842, 129307, 258614, 9439411, 18878822]

約数ペア:

[(1, 18878822), (2, 9439411), (73, 258614), (146, 129307), (191, 98842), (382, 49421), (677, 27886), (1354, 13943)]