18990712

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{182603}}^1$

素因数の和:182622

約数の個数: 16

約数和(自身を含む): 38346840

約数和(自身を除く): 19356128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 182603, 365206, 730412, 1460824, 2373839, 4747678, 9495356, 18990712]

約数ペア:

[(1, 18990712), (2, 9495356), (4, 4747678), (8, 2373839), (13, 1460824), (26, 730412), (52, 365206), (104, 182603)]