19931307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3847}}^1$

素因数の和:4018

約数の個数: 16

約数和(自身を含む): 29183232

約数和(自身を除く): 9251925

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3847, 5181, 11541, 42317, 126951, 603979, 1811937, 6643769, 19931307]

約数ペア:

[(1, 19931307), (3, 6643769), (11, 1811937), (33, 603979), (157, 126951), (471, 42317), (1727, 11541), (3847, 5181)]