19724464

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4549}}^1$

素因数の和:4828

約数の個数: 20

約数和(自身を含む): 38365600

約数和(自身を除く): 18641136

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4549, 9098, 18196, 36392, 72784, 1232779, 2465558, 4931116, 9862232, 19724464]

約数ペア:

[(1, 19724464), (2, 9862232), (4, 4931116), (8, 2465558), (16, 1232779), (271, 72784), (542, 36392), (1084, 18196), (2168, 9098), (4336, 4549)]