31954276

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{22129}}^1$

素因数の和:22171

約数の個数: 18

約数和(自身を含む): 59020710

約数和(自身を除く): 27066434

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 22129, 44258, 88516, 420451, 840902, 1681804, 7988569, 15977138, 31954276]

約数ペア:

[(1, 31954276), (2, 15977138), (4, 7988569), (19, 1681804), (38, 840902), (76, 420451), (361, 88516), (722, 44258), (1444, 22129)]