19803756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{839}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 33257364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 281, 562, 839, 843, 1124, 1678, 1686, 1967, 2517, 3356, 3372, 3934, 5034, 5873, 5901, 7868, 10068, 11746, 11802, 17619, 23492, 23604, 35238, 70476, 235759, 471518, 707277, 943036, 1414554, 1650313, 2829108, 3300626, 4950939, 6601252, 9901878, 19803756]

約数ペア:

[(1, 19803756), (2, 9901878), (3, 6601252), (4, 4950939), (6, 3300626), (7, 2829108), (12, 1650313), (14, 1414554), (21, 943036), (28, 707277), (42, 471518), (84, 235759), (281, 70476), (562, 35238), (839, 23604), (843, 23492), (1124, 17619), (1678, 11802), (1686, 11746), (1967, 10068), (2517, 7868), (3356, 5901), (3372, 5873), (3934, 5034)]