18880988

素因数分解:

$2^2\times 7^1\times {\mathrm{674321}}^1$

素因数の和:674332

約数の個数: 12

約数和(自身を含む): 37762032

約数和(自身を除く): 18881044

約数列:

[1, 2, 4, 7, 14, 28, 674321, 1348642, 2697284, 4720247, 9440494, 18880988]

約数ペア:

[(1, 18880988), (2, 9440494), (4, 4720247), (7, 2697284), (14, 1348642), (28, 674321)]