19783937

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 21866112

約数和(自身を除く): 2082175

約数列:

[1, 17, 37, 71, 443, 629, 1207, 2627, 7531, 16391, 31453, 44659, 278647, 534701, 1163761, 19783937]

約数ペア:

[(1, 19783937), (17, 1163761), (37, 534701), (71, 278647), (443, 44659), (629, 31453), (1207, 16391), (2627, 7531)]