19587820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{773}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 27743828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 773, 905, 1267, 1546, 1810, 2534, 3092, 3620, 3865, 5068, 5411, 6335, 7730, 10822, 12670, 15460, 21644, 25340, 27055, 54110, 108220, 139913, 279826, 559652, 699565, 979391, 1399130, 1958782, 2798260, 3917564, 4896955, 9793910, 19587820]

約数ペア:

[(1, 19587820), (2, 9793910), (4, 4896955), (5, 3917564), (7, 2798260), (10, 1958782), (14, 1399130), (20, 979391), (28, 699565), (35, 559652), (70, 279826), (140, 139913), (181, 108220), (362, 54110), (724, 27055), (773, 25340), (905, 21644), (1267, 15460), (1546, 12670), (1810, 10822), (2534, 7730), (3092, 6335), (3620, 5411), (3865, 5068)]