18343388

素因数分解:

$2^2\times 7^1\times {\mathrm{655121}}^1$

素因数の和:655132

約数の個数: 12

約数和(自身を含む): 36686832

約数和(自身を除く): 18343444

約数列:

[1, 2, 4, 7, 14, 28, 655121, 1310242, 2620484, 4585847, 9171694, 18343388]

約数ペア:

[(1, 18343388), (2, 9171694), (4, 4585847), (7, 2620484), (14, 1310242), (28, 655121)]