19228240

素因数分解:

$2^4\times 5^1\times {\mathrm{240353}}^1$

素因数の和:240366

約数の個数: 20

約数和(自身を含む): 44705844

約数和(自身を除く): 25477604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240353, 480706, 961412, 1201765, 1922824, 2403530, 3845648, 4807060, 9614120, 19228240]

約数ペア:

[(1, 19228240), (2, 9614120), (4, 4807060), (5, 3845648), (8, 2403530), (10, 1922824), (16, 1201765), (20, 961412), (40, 480706), (80, 240353)]