19946556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79153}}^1$

素因数の和:79170

約数の個数: 36

約数和(自身を含む): 57624112

約数和(自身を除く): 37677556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79153, 158306, 237459, 316612, 474918, 554071, 712377, 949836, 1108142, 1424754, 1662213, 2216284, 2849508, 3324426, 4986639, 6648852, 9973278, 19946556]

約数ペア:

[(1, 19946556), (2, 9973278), (3, 6648852), (4, 4986639), (6, 3324426), (7, 2849508), (9, 2216284), (12, 1662213), (14, 1424754), (18, 1108142), (21, 949836), (28, 712377), (36, 554071), (42, 474918), (63, 316612), (84, 237459), (126, 158306), (252, 79153)]