19943648

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{21491}}^1$

素因数の和:21530

約数の個数: 24

約数和(自身を含む): 40619880

約数和(自身を除く): 20676232

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 21491, 42982, 85964, 171928, 343856, 623239, 687712, 1246478, 2492956, 4985912, 9971824, 19943648]

約数ペア:

[(1, 19943648), (2, 9971824), (4, 4985912), (8, 2492956), (16, 1246478), (29, 687712), (32, 623239), (58, 343856), (116, 171928), (232, 85964), (464, 42982), (928, 21491)]