18090008

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{2039}}^1$

素因数の和:3154

約数の個数: 16

約数和(自身を含む): 33966000

約数和(自身を除く): 15875992

約数列:

[1, 2, 4, 8, 1109, 2039, 2218, 4078, 4436, 8156, 8872, 16312, 2261251, 4522502, 9045004, 18090008]

約数ペア:

[(1, 18090008), (2, 9045004), (4, 4522502), (8, 2261251), (1109, 16312), (2039, 8872), (2218, 8156), (4078, 4436)]