31490942

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{118387}}^1$

素因数の和:118415

約数の個数: 16

約数和(自身を含む): 56826240

約数和(自身を除く): 25335298

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 118387, 236774, 828709, 1657418, 2249353, 4498706, 15745471, 31490942]

約数ペア:

[(1, 31490942), (2, 15745471), (7, 4498706), (14, 2249353), (19, 1657418), (38, 828709), (133, 236774), (266, 118387)]