19914512

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6449}}^1$

素因数の和:6650

約数の個数: 20

約数和(自身を含む): 38790300

約数和(自身を除く): 18875788

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6449, 12898, 25796, 51592, 103184, 1244657, 2489314, 4978628, 9957256, 19914512]

約数ペア:

[(1, 19914512), (2, 9957256), (4, 4978628), (8, 2489314), (16, 1244657), (193, 103184), (386, 51592), (772, 25796), (1544, 12898), (3088, 6449)]