19580308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 39029760

約数和(自身を除く): 19449452

約数列:

[1, 2, 4, 11, 22, 43, 44, 79, 86, 131, 158, 172, 262, 316, 473, 524, 869, 946, 1441, 1738, 1892, 2882, 3397, 3476, 5633, 5764, 6794, 10349, 11266, 13588, 20698, 22532, 37367, 41396, 61963, 74734, 113839, 123926, 149468, 227678, 247852, 445007, 455356, 890014, 1780028, 4895077, 9790154, 19580308]

約数ペア:

[(1, 19580308), (2, 9790154), (4, 4895077), (11, 1780028), (22, 890014), (43, 455356), (44, 445007), (79, 247852), (86, 227678), (131, 149468), (158, 123926), (172, 113839), (262, 74734), (316, 61963), (473, 41396), (524, 37367), (869, 22532), (946, 20698), (1441, 13588), (1738, 11266), (1892, 10349), (2882, 6794), (3397, 5764), (3476, 5633)]