209901892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1549}}^1\times {\mathrm{1783}}^1$

素因数の和:3355

約数の個数: 24

約数和(自身を含む): 387128000

約数和(自身を除く): 177226108

約数列:

[1, 2, 4, 19, 38, 76, 1549, 1783, 3098, 3566, 6196, 7132, 29431, 33877, 58862, 67754, 117724, 135508, 2761867, 5523734, 11047468, 52475473, 104950946, 209901892]

約数ペア:

[(1, 209901892), (2, 104950946), (4, 52475473), (19, 11047468), (38, 5523734), (76, 2761867), (1549, 135508), (1783, 117724), (3098, 67754), (3566, 58862), (6196, 33877), (7132, 29431)]