201991194

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{27437}}^1$

素因数の和:27854

約数の個数: 24

約数和(自身を含む): 438733620

約数和(自身を除く): 236742426

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 3681, 7362, 27437, 54874, 82311, 164622, 246933, 493866, 11221733, 22443466, 33665199, 67330398, 100995597, 201991194]

約数ペア:

[(1, 201991194), (2, 100995597), (3, 67330398), (6, 33665199), (9, 22443466), (18, 11221733), (409, 493866), (818, 246933), (1227, 164622), (2454, 82311), (3681, 54874), (7362, 27437)]