18723081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20873}}^1$

素因数の和:20912

約数の個数: 16

約数和(自身を含む): 28054656

約数和(自身を除く): 9331575

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 20873, 62619, 271349, 480079, 814047, 1440237, 6241027, 18723081]

約数ペア:

[(1, 18723081), (3, 6241027), (13, 1440237), (23, 814047), (39, 480079), (69, 271349), (299, 62619), (897, 20873)]