40078942

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{55511}}^1$

素因数の和:55551

約数の個数: 12

約数和(自身を含む): 63450216

約数和(自身を除く): 23371274

約数列:

[1, 2, 19, 38, 361, 722, 55511, 111022, 1054709, 2109418, 20039471, 40078942]

約数ペア:

[(1, 40078942), (2, 20039471), (19, 2109418), (38, 1054709), (361, 111022), (722, 55511)]