19990888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131519}}^1$

素因数の和:131544

約数の個数: 16

約数和(自身を含む): 39456000

約数和(自身を除く): 19465112

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 131519, 263038, 526076, 1052152, 2498861, 4997722, 9995444, 19990888]

約数ペア:

[(1, 19990888), (2, 9995444), (4, 4997722), (8, 2498861), (19, 1052152), (38, 526076), (76, 263038), (152, 131519)]