19722892

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2206

約数の個数: 36

約数和(自身を含む): 41023584

約数和(自身を除く): 21300692

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2141, 2303, 4282, 4606, 8564, 9212, 14987, 29974, 59948, 100627, 104909, 201254, 209818, 402508, 419636, 704389, 1408778, 2817556, 4930723, 9861446, 19722892]

約数ペア:

[(1, 19722892), (2, 9861446), (4, 4930723), (7, 2817556), (14, 1408778), (28, 704389), (47, 419636), (49, 402508), (94, 209818), (98, 201254), (188, 104909), (196, 100627), (329, 59948), (658, 29974), (1316, 14987), (2141, 9212), (2303, 8564), (4282, 4606)]