19498721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 22142976

約数和(自身を除く): 2644255

約数列:

[1, 11, 31, 211, 271, 341, 2321, 2981, 6541, 8401, 57181, 71951, 92411, 628991, 1772611, 19498721]

約数ペア:

[(1, 19498721), (11, 1772611), (31, 628991), (211, 92411), (271, 71951), (341, 57181), (2321, 8401), (2981, 6541)]