18938153

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 21934080

約数和(自身を除く): 2995927

約数列:

[1, 13, 17, 67, 221, 871, 1139, 1279, 14807, 16627, 21743, 85693, 282659, 1114009, 1456781, 18938153]

約数ペア:

[(1, 18938153), (13, 1456781), (17, 1114009), (67, 282659), (221, 85693), (871, 21743), (1139, 16627), (1279, 14807)]