19222420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137303}}^1$

素因数の和:137319

約数の個数: 24

約数和(自身を含む): 46134144

約数和(自身を除く): 26911724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137303, 274606, 549212, 686515, 961121, 1373030, 1922242, 2746060, 3844484, 4805605, 9611210, 19222420]

約数ペア:

[(1, 19222420), (2, 9611210), (4, 4805605), (5, 3844484), (7, 2746060), (10, 1922242), (14, 1373030), (20, 961121), (28, 686515), (35, 549212), (70, 274606), (140, 137303)]