18838842904

素因数分解:

$2^3\times 7^1\times {\mathrm{503}}^1\times {\mathrm{668803}}^1$

素因数の和:669319

約数の個数: 32

約数和(自身を含む): 40449265920

約数和(自身を除く): 21610423016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 503, 1006, 2012, 3521, 4024, 7042, 14084, 28168, 668803, 1337606, 2675212, 4681621, 5350424, 9363242, 18726484, 37452968, 336407909, 672815818, 1345631636, 2354855363, 2691263272, 4709710726, 9419421452, 18838842904]

約数ペア:

[(1, 18838842904), (2, 9419421452), (4, 4709710726), (7, 2691263272), (8, 2354855363), (14, 1345631636), (28, 672815818), (56, 336407909), (503, 37452968), (1006, 18726484), (2012, 9363242), (3521, 5350424), (4024, 4681621), (7042, 2675212), (14084, 1337606), (28168, 668803)]