205178416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{674929}}^1$

素因数の和:674956

約数の個数: 20

約数和(自身を含む): 418456600

約数和(自身を除く): 213278184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 674929, 1349858, 2699716, 5399432, 10798864, 12823651, 25647302, 51294604, 102589208, 205178416]

約数ペア:

[(1, 205178416), (2, 102589208), (4, 51294604), (8, 25647302), (16, 12823651), (19, 10798864), (38, 5399432), (76, 2699716), (152, 1349858), (304, 674929)]