19449872

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7193}}^1$

素因数の和:7227

約数の個数: 30

約数和(自身を含む): 40811562

約数和(自身を除く): 21361690

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7193, 14386, 28772, 57544, 93509, 115088, 187018, 374036, 748072, 1215617, 1496144, 2431234, 4862468, 9724936, 19449872]

約数ペア:

[(1, 19449872), (2, 9724936), (4, 4862468), (8, 2431234), (13, 1496144), (16, 1215617), (26, 748072), (52, 374036), (104, 187018), (169, 115088), (208, 93509), (338, 57544), (676, 28772), (1352, 14386), (2704, 7193)]