19606180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89119}}^1$

素因数の和:89139

約数の個数: 24

約数和(自身を含む): 44916480

約数和(自身を除く): 25310300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89119, 178238, 356476, 445595, 891190, 980309, 1782380, 1960618, 3921236, 4901545, 9803090, 19606180]

約数ペア:

[(1, 19606180), (2, 9803090), (4, 4901545), (5, 3921236), (10, 1960618), (11, 1782380), (20, 980309), (22, 891190), (44, 445595), (55, 356476), (110, 178238), (220, 89119)]