18881158

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1637}}^1$

素因数の和:1791

約数の個数: 16

約数和(自身を含む): 29090880

約数和(自身を除く): 10209722

約数列:

[1, 2, 73, 79, 146, 158, 1637, 3274, 5767, 11534, 119501, 129323, 239002, 258646, 9440579, 18881158]

約数ペア:

[(1, 18881158), (2, 9440579), (73, 258646), (79, 239002), (146, 129323), (158, 119501), (1637, 11534), (3274, 5767)]