18586864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61141}}^1$

素因数の和:61168

約数の個数: 20

約数和(自身を含む): 37908040

約数和(自身を除く): 19321176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61141, 122282, 244564, 489128, 978256, 1161679, 2323358, 4646716, 9293432, 18586864]

約数ペア:

[(1, 18586864), (2, 9293432), (4, 4646716), (8, 2323358), (16, 1161679), (19, 978256), (38, 489128), (76, 244564), (152, 122282), (304, 61141)]