19961788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64811}}^1$

素因数の和:64833

約数の個数: 24

約数和(自身を含む): 43553664

約数和(自身を除く): 23591876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64811, 129622, 259244, 453677, 712921, 907354, 1425842, 1814708, 2851684, 4990447, 9980894, 19961788]

約数ペア:

[(1, 19961788), (2, 9980894), (4, 4990447), (7, 2851684), (11, 1814708), (14, 1425842), (22, 907354), (28, 712921), (44, 453677), (77, 259244), (154, 129622), (308, 64811)]