9815020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 22659840

約数和(自身を除く): 12844820

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1123, 1748, 2185, 2246, 4370, 4492, 5615, 8740, 11230, 21337, 22460, 25829, 42674, 51658, 85348, 103316, 106685, 129145, 213370, 258290, 426740, 490751, 516580, 981502, 1963004, 2453755, 4907510, 9815020]

約数ペア:

[(1, 9815020), (2, 4907510), (4, 2453755), (5, 1963004), (10, 981502), (19, 516580), (20, 490751), (23, 426740), (38, 258290), (46, 213370), (76, 129145), (92, 106685), (95, 103316), (115, 85348), (190, 51658), (230, 42674), (380, 25829), (437, 22460), (460, 21337), (874, 11230), (1123, 8740), (1748, 5615), (2185, 4492), (2246, 4370)]