19211888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63197}}^1$

素因数の和:63224

約数の個数: 20

約数和(自身を含む): 39182760

約数和(自身を除く): 19970872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63197, 126394, 252788, 505576, 1011152, 1200743, 2401486, 4802972, 9605944, 19211888]

約数ペア:

[(1, 19211888), (2, 9605944), (4, 4802972), (8, 2401486), (16, 1200743), (19, 1011152), (38, 505576), (76, 252788), (152, 126394), (304, 63197)]