19874568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 57121920

約数和(自身を除く): 37247352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 421, 562, 842, 843, 1124, 1263, 1684, 1686, 1967, 2248, 2526, 2947, 3368, 3372, 3934, 5052, 5894, 5901, 6744, 7868, 8841, 10104, 11788, 11802, 15736, 17682, 23576, 23604, 35364, 47208, 70728, 118301, 236602, 354903, 473204, 709806, 828107, 946408, 1419612, 1656214, 2484321, 2839224, 3312428, 4968642, 6624856, 9937284, 19874568]

約数ペア:

[(1, 19874568), (2, 9937284), (3, 6624856), (4, 4968642), (6, 3312428), (7, 2839224), (8, 2484321), (12, 1656214), (14, 1419612), (21, 946408), (24, 828107), (28, 709806), (42, 473204), (56, 354903), (84, 236602), (168, 118301), (281, 70728), (421, 47208), (562, 35364), (842, 23604), (843, 23576), (1124, 17682), (1263, 15736), (1684, 11802), (1686, 11788), (1967, 10104), (2248, 8841), (2526, 7868), (2947, 6744), (3368, 5901), (3372, 5894), (3934, 5052)]