19425904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63901}}^1$

素因数の和:63928

約数の個数: 20

約数和(自身を含む): 39619240

約数和(自身を除く): 20193336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63901, 127802, 255604, 511208, 1022416, 1214119, 2428238, 4856476, 9712952, 19425904]

約数ペア:

[(1, 19425904), (2, 9712952), (4, 4856476), (8, 2428238), (16, 1214119), (19, 1022416), (38, 511208), (76, 255604), (152, 127802), (304, 63901)]