19904752

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7727}}^1$

素因数の和:7765

約数の個数: 40

約数和(自身を含む): 45997056

約数和(自身を除く): 26092304

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7727, 15454, 30908, 54089, 61816, 108178, 123632, 177721, 216356, 355442, 432712, 710884, 865424, 1244047, 1421768, 2488094, 2843536, 4976188, 9952376, 19904752]

約数ペア:

[(1, 19904752), (2, 9952376), (4, 4976188), (7, 2843536), (8, 2488094), (14, 1421768), (16, 1244047), (23, 865424), (28, 710884), (46, 432712), (56, 355442), (92, 216356), (112, 177721), (161, 123632), (184, 108178), (322, 61816), (368, 54089), (644, 30908), (1288, 15454), (2576, 7727)]