18936988

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2203}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 38014592

約数和(自身を除く): 19077604

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 2149, 2203, 4298, 4406, 8596, 8812, 15421, 30842, 61684, 676321, 1352642, 2705284, 4734247, 9468494, 18936988]

約数ペア:

[(1, 18936988), (2, 9468494), (4, 4734247), (7, 2705284), (14, 1352642), (28, 676321), (307, 61684), (614, 30842), (1228, 15421), (2149, 8812), (2203, 8596), (4298, 4406)]