19948526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7039}}^1$

素因数の和:7163

約数の個数: 16

約数和(自身を含む): 32524800

約数和(自身を除く): 12576274

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7039, 14078, 91507, 183014, 767251, 1534502, 9974263, 19948526]

約数ペア:

[(1, 19948526), (2, 9974263), (13, 1534502), (26, 767251), (109, 183014), (218, 91507), (1417, 14078), (2834, 7039)]