18972254

素因数分解:

$2^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5273}}^1$

素因数の和:5539

約数の個数: 16

約数和(自身を含む): 32656608

約数和(自身を除く): 13684354

約数列:

[1, 2, 7, 14, 257, 514, 1799, 3598, 5273, 10546, 36911, 73822, 1355161, 2710322, 9486127, 18972254]

約数ペア:

[(1, 18972254), (2, 9486127), (7, 2710322), (14, 1355161), (257, 73822), (514, 36911), (1799, 10546), (3598, 5273)]