18816918

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{42961}}^1$

素因数の和:43039

約数の個数: 16

約数和(自身を含む): 38150256

約数和(自身を除く): 19333338

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 42961, 85922, 128883, 257766, 3136153, 6272306, 9408459, 18816918]

約数ペア:

[(1, 18816918), (2, 9408459), (3, 6272306), (6, 3136153), (73, 257766), (146, 128883), (219, 85922), (438, 42961)]