18888754

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:641

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 9851342

約数列:

[1, 2, 191, 197, 251, 382, 394, 502, 37627, 47941, 49447, 75254, 95882, 98894, 9444377, 18888754]

約数ペア:

[(1, 18888754), (2, 9444377), (191, 98894), (197, 95882), (251, 75254), (382, 49447), (394, 47941), (502, 37627)]