19852816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{20341}}^1$

素因数の和:20410

約数の個数: 20

約数和(自身を含む): 39097324

約数和(自身を除く): 19244508

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 20341, 40682, 81364, 162728, 325456, 1240801, 2481602, 4963204, 9926408, 19852816]

約数ペア:

[(1, 19852816), (2, 9926408), (4, 4963204), (8, 2481602), (16, 1240801), (61, 325456), (122, 162728), (244, 81364), (488, 40682), (976, 20341)]