19946668

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16567}}^1$

素因数の和:16621

約数の個数: 24

約数和(自身を含む): 40823552

約数和(自身を除く): 20876884

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16567, 33134, 66268, 115969, 231938, 463876, 712381, 1424762, 2849524, 4986667, 9973334, 19946668]

約数ペア:

[(1, 19946668), (2, 9973334), (4, 4986667), (7, 2849524), (14, 1424762), (28, 712381), (43, 463876), (86, 231938), (172, 115969), (301, 66268), (602, 33134), (1204, 16567)]