19444180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19841}}^1$

素因数の和:19864

約数の個数: 36

約数和(自身を含む): 47501748

約数和(自身を除く): 28057568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19841, 39682, 79364, 99205, 138887, 198410, 277774, 396820, 555548, 694435, 972209, 1388870, 1944418, 2777740, 3888836, 4861045, 9722090, 19444180]

約数ペア:

[(1, 19444180), (2, 9722090), (4, 4861045), (5, 3888836), (7, 2777740), (10, 1944418), (14, 1388870), (20, 972209), (28, 694435), (35, 555548), (49, 396820), (70, 277774), (98, 198410), (140, 138887), (196, 99205), (245, 79364), (490, 39682), (980, 19841)]