19226140

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1553}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 40466160

約数和(自身を除く): 21240020

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 1553, 2476, 3095, 3106, 6190, 6212, 7765, 12380, 15530, 31060, 961307, 1922614, 3845228, 4806535, 9613070, 19226140]

約数ペア:

[(1, 19226140), (2, 9613070), (4, 4806535), (5, 3845228), (10, 1922614), (20, 961307), (619, 31060), (1238, 15530), (1553, 12380), (2476, 7765), (3095, 6212), (3106, 6190)]