19455344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71527}}^1$

素因数の和:71552

約数の個数: 20

約数和(自身を含む): 39912624

約数和(自身を除く): 20457280

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71527, 143054, 286108, 572216, 1144432, 1215959, 2431918, 4863836, 9727672, 19455344]

約数ペア:

[(1, 19455344), (2, 9727672), (4, 4863836), (8, 2431918), (16, 1215959), (17, 1144432), (34, 572216), (68, 286108), (136, 143054), (272, 71527)]