19451536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5501}}^1$

素因数の和:5539

約数の個数: 40

約数和(自身を含む): 42981624

約数和(自身を除く): 23530088

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5501, 11002, 22004, 44008, 71513, 88016, 93517, 143026, 187034, 286052, 374068, 572104, 748136, 1144208, 1215721, 1496272, 2431442, 4862884, 9725768, 19451536]

約数ペア:

[(1, 19451536), (2, 9725768), (4, 4862884), (8, 2431442), (13, 1496272), (16, 1215721), (17, 1144208), (26, 748136), (34, 572104), (52, 374068), (68, 286052), (104, 187034), (136, 143026), (208, 93517), (221, 88016), (272, 71513), (442, 44008), (884, 22004), (1768, 11002), (3536, 5501)]