20219518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8923}}^1$

素因数の和:9039

約数の個数: 16

約数和(自身を含む): 33411456

約数和(自身を除く): 13191938

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8923, 17846, 98153, 196306, 919069, 1838138, 10109759, 20219518]

約数ペア:

[(1, 20219518), (2, 10109759), (11, 1838138), (22, 919069), (103, 196306), (206, 98153), (1133, 17846), (2266, 8923)]