19438042

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:598

約数の個数: 24

約数和(自身を含む): 31885920

約数和(自身を除く): 12447878

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 439, 878, 1703, 3406, 5707, 11414, 22139, 44278, 57509, 74191, 115018, 148382, 747617, 1495234, 9719021, 19438042]

約数ペア:

[(1, 19438042), (2, 9719021), (13, 1495234), (26, 747617), (131, 148382), (169, 115018), (262, 74191), (338, 57509), (439, 44278), (878, 22139), (1703, 11414), (3406, 5707)]