19518397

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 21295872

約数和(自身を除く): 1777475

約数列:

[1, 17, 71, 103, 157, 1207, 1751, 2669, 7313, 11147, 16171, 124321, 189499, 274907, 1148141, 19518397]

約数ペア:

[(1, 19518397), (17, 1148141), (71, 274907), (103, 189499), (157, 124321), (1207, 16171), (1751, 11147), (2669, 7313)]