19517224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{143509}}^1$

素因数の和:143532

約数の個数: 16

約数和(自身を含む): 38747700

約数和(自身を除く): 19230476

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 143509, 287018, 574036, 1148072, 2439653, 4879306, 9758612, 19517224]

約数ペア:

[(1, 19517224), (2, 9758612), (4, 4879306), (8, 2439653), (17, 1148072), (34, 574036), (68, 287018), (136, 143509)]