19763986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12653}}^1$

素因数の和:12737

約数の個数: 16

約数和(自身を含む): 32799168

約数和(自身を除く): 13035182

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12653, 25306, 139183, 278366, 898363, 1796726, 9881993, 19763986]

約数ペア:

[(1, 19763986), (2, 9881993), (11, 1796726), (22, 898363), (71, 278366), (142, 139183), (781, 25306), (1562, 12653)]