19380250

素因数分解:

$2^1\times 5^3\times {\mathrm{77521}}^1$

素因数の和:77538

約数の個数: 16

約数和(自身を含む): 36280296

約数和(自身を除く): 16900046

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 77521, 155042, 387605, 775210, 1938025, 3876050, 9690125, 19380250]

約数ペア:

[(1, 19380250), (2, 9690125), (5, 3876050), (10, 1938025), (25, 775210), (50, 387605), (125, 155042), (250, 77521)]