19665344

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{2819}}^1$

素因数の和:2940

約数の個数: 28

約数和(自身を含む): 39395400

約数和(自身を除く): 19730056

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 2819, 3488, 5638, 6976, 11276, 22552, 45104, 90208, 180416, 307271, 614542, 1229084, 2458168, 4916336, 9832672, 19665344]

約数ペア:

[(1, 19665344), (2, 9832672), (4, 4916336), (8, 2458168), (16, 1229084), (32, 614542), (64, 307271), (109, 180416), (218, 90208), (436, 45104), (872, 22552), (1744, 11276), (2819, 6976), (3488, 5638)]