19900748

素因数分解:

$2^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1619}}^1$

素因数の和:2069

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 20016052

約数列:

[1, 2, 4, 7, 14, 28, 439, 878, 1619, 1756, 3073, 3238, 6146, 6476, 11333, 12292, 22666, 45332, 710741, 1421482, 2842964, 4975187, 9950374, 19900748]

約数ペア:

[(1, 19900748), (2, 9950374), (4, 4975187), (7, 2842964), (14, 1421482), (28, 710741), (439, 45332), (878, 22666), (1619, 12292), (1756, 11333), (3073, 6476), (3238, 6146)]