31920038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11831}}^1$

素因数の和:11923

約数の個数: 16

約数和(自身を含む): 51114240

約数和(自身を除く): 19194202

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 11831, 23662, 224789, 449578, 840001, 1680002, 15960019, 31920038]

約数ペア:

[(1, 31920038), (2, 15960019), (19, 1680002), (38, 840001), (71, 449578), (142, 224789), (1349, 23662), (2698, 11831)]