19707237

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10477}}^1$

素因数の和:10513

約数の個数: 24

約数和(自身を含む): 32691360

約数和(自身を除く): 12984123

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10477, 31431, 94293, 115247, 199063, 345741, 597189, 1037223, 1791567, 2189693, 6569079, 19707237]

約数ペア:

[(1, 19707237), (3, 6569079), (9, 2189693), (11, 1791567), (19, 1037223), (33, 597189), (57, 345741), (99, 199063), (171, 115247), (209, 94293), (627, 31431), (1881, 10477)]