19886118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473479}}^1$

素因数の和:473491

約数の個数: 16

約数和(自身を含む): 45454080

約数和(自身を除く): 25567962

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473479, 946958, 1420437, 2840874, 3314353, 6628706, 9943059, 19886118]

約数ペア:

[(1, 19886118), (2, 9943059), (3, 6628706), (6, 3314353), (7, 2840874), (14, 1420437), (21, 946958), (42, 473479)]