18969584

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6143}}^1$

素因数の和:6344

約数の個数: 20

約数和(自身を含む): 36950016

約数和(自身を除く): 17980432

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6143, 12286, 24572, 49144, 98288, 1185599, 2371198, 4742396, 9484792, 18969584]

約数ペア:

[(1, 18969584), (2, 9484792), (4, 4742396), (8, 2371198), (16, 1185599), (193, 98288), (386, 49144), (772, 24572), (1544, 12286), (3088, 6143)]