19899916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9029}}^1$

素因数の和:9081

約数の個数: 24

約数和(自身を含む): 37926000

約数和(自身を除く): 18026084

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9029, 18058, 36116, 171551, 261841, 343102, 523682, 686204, 1047364, 4974979, 9949958, 19899916]

約数ペア:

[(1, 19899916), (2, 9949958), (4, 4974979), (19, 1047364), (29, 686204), (38, 523682), (58, 343102), (76, 261841), (116, 171551), (551, 36116), (1102, 18058), (2204, 9029)]