19312413

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 26195136

約数和(自身を除く): 6882723

約数列:

[1, 3, 131, 157, 313, 393, 471, 939, 20567, 41003, 49141, 61701, 123009, 147423, 6437471, 19312413]

約数ペア:

[(1, 19312413), (3, 6437471), (131, 147423), (157, 123009), (313, 61701), (393, 49141), (471, 41003), (939, 20567)]