219635874

素因数分解:

$2^1\times 3^4\times {\mathrm{1355777}}^1$

素因数の和:1355791

約数の個数: 20

約数和(自身を含む): 492147414

約数和(自身を除く): 272511540

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1355777, 2711554, 4067331, 8134662, 12201993, 24403986, 36605979, 73211958, 109817937, 219635874]

約数ペア:

[(1, 219635874), (2, 109817937), (3, 73211958), (6, 36605979), (9, 24403986), (18, 12201993), (27, 8134662), (54, 4067331), (81, 2711554), (162, 1355777)]