19996574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1511}}^1$

素因数の和:2035

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 12390466

約数列:

[1, 2, 13, 26, 509, 1018, 1511, 3022, 6617, 13234, 19643, 39286, 769099, 1538198, 9998287, 19996574]

約数ペア:

[(1, 19996574), (2, 9998287), (13, 1538198), (26, 769099), (509, 39286), (1018, 19643), (1511, 13234), (3022, 6617)]