20181271

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 22619520

約数和(自身を除く): 2438249

約数列:

[1, 11, 67, 139, 197, 737, 1529, 2167, 9313, 13199, 27383, 102443, 145189, 301213, 1834661, 20181271]

約数ペア:

[(1, 20181271), (11, 1834661), (67, 301213), (139, 145189), (197, 102443), (737, 27383), (1529, 13199), (2167, 9313)]