18968036

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{53281}}^1$

素因数の和:53374

約数の個数: 12

約数和(自身を含む): 33567660

約数和(自身を除く): 14599624

約数列:

[1, 2, 4, 89, 178, 356, 53281, 106562, 213124, 4742009, 9484018, 18968036]

約数ペア:

[(1, 18968036), (2, 9484018), (4, 4742009), (89, 213124), (178, 106562), (356, 53281)]