419921812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5525287}}^1$

素因数の和:5525310

約数の個数: 12

約数和(自身を含む): 773540320

約数和(自身を除く): 353618508

約数列:

[1, 2, 4, 19, 38, 76, 5525287, 11050574, 22101148, 104980453, 209960906, 419921812]

約数ペア:

[(1, 419921812), (2, 209960906), (4, 104980453), (19, 22101148), (38, 11050574), (76, 5525287)]