19845208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{80021}}^1$

素因数の和:80058

約数の個数: 16

約数和(自身を含む): 38410560

約数和(自身を除く): 18565352

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 80021, 160042, 320084, 640168, 2480651, 4961302, 9922604, 19845208]

約数ペア:

[(1, 19845208), (2, 9922604), (4, 4961302), (8, 2480651), (31, 640168), (62, 320084), (124, 160042), (248, 80021)]