19442288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71479}}^1$

素因数の和:71504

約数の個数: 20

約数和(自身を含む): 39885840

約数和(自身を除く): 20443552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71479, 142958, 285916, 571832, 1143664, 1215143, 2430286, 4860572, 9721144, 19442288]

約数ペア:

[(1, 19442288), (2, 9721144), (4, 4860572), (8, 2430286), (16, 1215143), (17, 1143664), (34, 571832), (68, 285916), (136, 142958), (272, 71479)]