207812538

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{31981}}^1$

素因数の和:32027

約数の個数: 36

約数和(自身を含む): 475220538

約数和(自身を除く): 267408000

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 6498, 31981, 63962, 95943, 191886, 287829, 575658, 607639, 1215278, 1822917, 3645834, 5468751, 10937502, 11545141, 23090282, 34635423, 69270846, 103906269, 207812538]

約数ペア:

[(1, 207812538), (2, 103906269), (3, 69270846), (6, 34635423), (9, 23090282), (18, 11545141), (19, 10937502), (38, 5468751), (57, 3645834), (114, 1822917), (171, 1215278), (342, 607639), (361, 575658), (722, 287829), (1083, 191886), (2166, 95943), (3249, 63962), (6498, 31981)]