18693872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61493}}^1$

素因数の和:61520

約数の個数: 20

約数和(自身を含む): 38126280

約数和(自身を除く): 19432408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61493, 122986, 245972, 491944, 983888, 1168367, 2336734, 4673468, 9346936, 18693872]

約数ペア:

[(1, 18693872), (2, 9346936), (4, 4673468), (8, 2336734), (16, 1168367), (19, 983888), (38, 491944), (76, 245972), (152, 122986), (304, 61493)]