18970238

素因数分解:

$2^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3313}}^1$

素因数の和:3731

約数の個数: 16

約数和(自身を含む): 32609760

約数和(自身を除く): 13639522

約数列:

[1, 2, 7, 14, 409, 818, 2863, 3313, 5726, 6626, 23191, 46382, 1355017, 2710034, 9485119, 18970238]

約数ペア:

[(1, 18970238), (2, 9485119), (7, 2710034), (14, 1355017), (409, 46382), (818, 23191), (2863, 6626), (3313, 5726)]