19809286

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74471}}^1$

素因数の和:74499

約数の個数: 16

約数和(自身を含む): 35746560

約数和(自身を除く): 15937274

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74471, 148942, 521297, 1042594, 1414949, 2829898, 9904643, 19809286]

約数ペア:

[(1, 19809286), (2, 9904643), (7, 2829898), (14, 1414949), (19, 1042594), (38, 521297), (133, 148942), (266, 74471)]