2019923456

素因数分解:

$2^9\times {\mathrm{3945163}}^1$

素因数の和:3945181

約数の個数: 20

約数和(自身を含む): 4035902772

約数和(自身を除く): 2015979316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 3945163, 7890326, 15780652, 31561304, 63122608, 126245216, 252490432, 504980864, 1009961728, 2019923456]

約数ペア:

[(1, 2019923456), (2, 1009961728), (4, 504980864), (8, 252490432), (16, 126245216), (32, 63122608), (64, 31561304), (128, 15780652), (256, 7890326), (512, 3945163)]