19449776

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4519}}^1$

素因数の和:4796

約数の個数: 20

約数和(自身を含む): 37832400

約数和(自身を除く): 18382624

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4519, 9038, 18076, 36152, 72304, 1215611, 2431222, 4862444, 9724888, 19449776]

約数ペア:

[(1, 19449776), (2, 9724888), (4, 4862444), (8, 2431222), (16, 1215611), (269, 72304), (538, 36152), (1076, 18076), (2152, 9038), (4304, 4519)]