2019171836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{515621}}^1$

素因数の和:515725

約数の個数: 24

約数和(自身を含む): 3898102320

約数和(自身を除く): 1878930484

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 515621, 1031242, 2062484, 5671831, 11343662, 22687324, 45890269, 91780538, 183561076, 504792959, 1009585918, 2019171836]

約数ペア:

[(1, 2019171836), (2, 1009585918), (4, 504792959), (11, 183561076), (22, 91780538), (44, 45890269), (89, 22687324), (178, 11343662), (356, 5671831), (979, 2062484), (1958, 1031242), (3916, 515621)]