18496538

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{757}}^1$

素因数の和:1421

約数の個数: 16

約数和(自身を含む): 29289120

約数和(自身を除く): 10792582

約数列:

[1, 2, 19, 38, 643, 757, 1286, 1514, 12217, 14383, 24434, 28766, 486751, 973502, 9248269, 18496538]

約数ペア:

[(1, 18496538), (2, 9248269), (19, 973502), (38, 486751), (643, 28766), (757, 24434), (1286, 14383), (1514, 12217)]