11899909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 14446080

約数和(自身を除く): 2546171

約数列:

[1, 7, 19, 131, 133, 683, 917, 2489, 4781, 12977, 17423, 89473, 90839, 626311, 1699987, 11899909]

約数ペア:

[(1, 11899909), (7, 1699987), (19, 626311), (131, 90839), (133, 89473), (683, 17423), (917, 12977), (2489, 4781)]