18918798

素因数分解:

$2^1\times 3^1\times {\mathrm{257}}^1\times {\mathrm{12269}}^1$

素因数の和:12531

約数の個数: 16

約数和(自身を含む): 37987920

約数和(自身を除く): 19069122

約数列:

[1, 2, 3, 6, 257, 514, 771, 1542, 12269, 24538, 36807, 73614, 3153133, 6306266, 9459399, 18918798]

約数ペア:

[(1, 18918798), (2, 9459399), (3, 6306266), (6, 3153133), (257, 73614), (514, 36807), (771, 24538), (1542, 12269)]