18383739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 28491264

約数和(自身を除く): 10107525

約数列:

[1, 3, 11, 23, 33, 53, 69, 159, 253, 457, 583, 759, 1219, 1371, 1749, 3657, 5027, 10511, 13409, 15081, 24221, 31533, 40227, 72663, 115621, 266431, 346863, 557083, 799293, 1671249, 6127913, 18383739]

約数ペア:

[(1, 18383739), (3, 6127913), (11, 1671249), (23, 799293), (33, 557083), (53, 346863), (69, 266431), (159, 115621), (253, 72663), (457, 40227), (583, 31533), (759, 24221), (1219, 15081), (1371, 13409), (1749, 10511), (3657, 5027)]