31506940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82913}}^1$

素因数の和:82941

約数の個数: 24

約数和(自身を含む): 69647760

約数和(自身を除く): 38140820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 82913, 165826, 331652, 414565, 829130, 1575347, 1658260, 3150694, 6301388, 7876735, 15753470, 31506940]

約数ペア:

[(1, 31506940), (2, 15753470), (4, 7876735), (5, 6301388), (10, 3150694), (19, 1658260), (20, 1575347), (38, 829130), (76, 414565), (95, 331652), (190, 165826), (380, 82913)]