18938824

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{33343}}^1$

素因数の和:33420

約数の個数: 16

約数和(自身を含む): 36011520

約数和(自身を除く): 17072696

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 33343, 66686, 133372, 266744, 2367353, 4734706, 9469412, 18938824]

約数ペア:

[(1, 18938824), (2, 9469412), (4, 4734706), (8, 2367353), (71, 266744), (142, 133372), (284, 66686), (568, 33343)]