18973658091

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1\times {\mathrm{1709}}^1$

素因数の和:2939

約数の個数: 32

約数和(自身を含む): 26239334400

約数和(自身を除く): 7265676309

約数列:

[1, 3, 47, 71, 141, 213, 1109, 1709, 3327, 3337, 5127, 10011, 52123, 78739, 80323, 121339, 156369, 236217, 240969, 364017, 1895281, 3700733, 5685843, 5702933, 11102199, 17108799, 89078207, 134564951, 267234621, 403694853, 6324552697, 18973658091]

約数ペア:

[(1, 18973658091), (3, 6324552697), (47, 403694853), (71, 267234621), (141, 134564951), (213, 89078207), (1109, 17108799), (1709, 11102199), (3327, 5702933), (3337, 5685843), (5127, 3700733), (10011, 1895281), (52123, 364017), (78739, 240969), (80323, 236217), (121339, 156369)]