19911752

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8269}}^1$

素因数の和:8325

約数の個数: 32

約数和(自身を含む): 43665600

約数和(自身を除く): 23753848

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8269, 16538, 33076, 57883, 66152, 115766, 231532, 355567, 463064, 711134, 1422268, 2488969, 2844536, 4977938, 9955876, 19911752]

約数ペア:

[(1, 19911752), (2, 9955876), (4, 4977938), (7, 2844536), (8, 2488969), (14, 1422268), (28, 711134), (43, 463064), (56, 355567), (86, 231532), (172, 115766), (301, 66152), (344, 57883), (602, 33076), (1204, 16538), (2408, 8269)]