18981074

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{36643}}^1$

素因数の和:36689

約数の個数: 16

約数和(自身を含む): 33419328

約数和(自身を除く): 14438254

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 36643, 73286, 256501, 513002, 1355791, 2711582, 9490537, 18981074]

約数ペア:

[(1, 18981074), (2, 9490537), (7, 2711582), (14, 1355791), (37, 513002), (74, 256501), (259, 73286), (518, 36643)]