19755788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2099}}^1$

素因数の和:2297

約数の個数: 24

約数和(自身を含む): 37455600

約数和(自身を除く): 17699812

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2099, 2353, 4198, 4706, 8396, 9412, 27287, 54574, 109148, 379919, 759838, 1519676, 4938947, 9877894, 19755788]

約数ペア:

[(1, 19755788), (2, 9877894), (4, 4938947), (13, 1519676), (26, 759838), (52, 379919), (181, 109148), (362, 54574), (724, 27287), (2099, 9412), (2353, 8396), (4198, 4706)]