11990212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17737}}^1$

素因数の和:17767

約数の個数: 18

約数和(自身を含む): 22722378

約数和(自身を除く): 10732166

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 17737, 35474, 70948, 230581, 461162, 922324, 2997553, 5995106, 11990212]

約数ペア:

[(1, 11990212), (2, 5995106), (4, 2997553), (13, 922324), (26, 461162), (52, 230581), (169, 70948), (338, 35474), (676, 17737)]