18973708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{364879}}^1$

素因数の和:364896

約数の個数: 12

約数和(自身を含む): 35758240

約数和(自身を除く): 16784532

約数列:

[1, 2, 4, 13, 26, 52, 364879, 729758, 1459516, 4743427, 9486854, 18973708]

約数ペア:

[(1, 18973708), (2, 9486854), (4, 4743427), (13, 1459516), (26, 729758), (52, 364879)]