18890864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62141}}^1$

素因数の和:62168

約数の個数: 20

約数和(自身を含む): 38528040

約数和(自身を除く): 19637176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62141, 124282, 248564, 497128, 994256, 1180679, 2361358, 4722716, 9445432, 18890864]

約数ペア:

[(1, 18890864), (2, 9445432), (4, 4722716), (8, 2361358), (16, 1180679), (19, 994256), (38, 497128), (76, 248564), (152, 124282), (304, 62141)]