18618712

素因数分解:

$2^3\times 7^1\times {\mathrm{332477}}^1$

素因数の和:332490

約数の個数: 16

約数和(自身を含む): 39897360

約数和(自身を除く): 21278648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 332477, 664954, 1329908, 2327339, 2659816, 4654678, 9309356, 18618712]

約数ペア:

[(1, 18618712), (2, 9309356), (4, 4654678), (7, 2659816), (8, 2327339), (14, 1329908), (28, 664954), (56, 332477)]