9973708

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{6907}}^1$

素因数の和:6949

約数の個数: 18

約数和(自身を含む): 18423636

約数和(自身を除く): 8449928

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 6907, 13814, 27628, 131233, 262466, 524932, 2493427, 4986854, 9973708]

約数ペア:

[(1, 9973708), (2, 4986854), (4, 2493427), (19, 524932), (38, 262466), (76, 131233), (361, 27628), (722, 13814), (1444, 6907)]