2017991824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{6638131}}^1$

素因数の和:6638158

約数の個数: 20

約数和(自身を含む): 4115641840

約数和(自身を除く): 2097650016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 6638131, 13276262, 26552524, 53105048, 106210096, 126124489, 252248978, 504497956, 1008995912, 2017991824]

約数ペア:

[(1, 2017991824), (2, 1008995912), (4, 504497956), (8, 252248978), (16, 126124489), (19, 106210096), (38, 53105048), (76, 26552524), (152, 13276262), (304, 6638131)]