19269140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87587}}^1$

素因数の和:87607

約数の個数: 24

約数和(自身を含む): 44144352

約数和(自身を除く): 24875212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87587, 175174, 350348, 437935, 875870, 963457, 1751740, 1926914, 3853828, 4817285, 9634570, 19269140]

約数ペア:

[(1, 19269140), (2, 9634570), (4, 4817285), (5, 3853828), (10, 1926914), (11, 1751740), (20, 963457), (22, 875870), (44, 437935), (55, 350348), (110, 175174), (220, 87587)]