19225250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{6991}}^1$

素因数の和:7019

約数の個数: 32

約数和(自身を含む): 39267072

約数和(自身を除く): 20041822

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 6991, 13982, 34955, 69910, 76901, 153802, 174775, 349550, 384505, 769010, 873875, 1747750, 1922525, 3845050, 9612625, 19225250]

約数ペア:

[(1, 19225250), (2, 9612625), (5, 3845050), (10, 1922525), (11, 1747750), (22, 873875), (25, 769010), (50, 384505), (55, 349550), (110, 174775), (125, 153802), (250, 76901), (275, 69910), (550, 34955), (1375, 13982), (2750, 6991)]