19520220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17123}}^1$

素因数の和:17154

約数の個数: 48

約数和(自身を含む): 57536640

約数和(自身を除く): 38016420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17123, 34246, 51369, 68492, 85615, 102738, 171230, 205476, 256845, 325337, 342460, 513690, 650674, 976011, 1027380, 1301348, 1626685, 1952022, 3253370, 3904044, 4880055, 6506740, 9760110, 19520220]

約数ペア:

[(1, 19520220), (2, 9760110), (3, 6506740), (4, 4880055), (5, 3904044), (6, 3253370), (10, 1952022), (12, 1626685), (15, 1301348), (19, 1027380), (20, 976011), (30, 650674), (38, 513690), (57, 342460), (60, 325337), (76, 256845), (95, 205476), (114, 171230), (190, 102738), (228, 85615), (285, 68492), (380, 51369), (570, 34246), (1140, 17123)]