19657988

素因数分解:

$2^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1913}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 39443712

約数和(自身を除く): 19785724

約数列:

[1, 2, 4, 7, 14, 28, 367, 734, 1468, 1913, 2569, 3826, 5138, 7652, 10276, 13391, 26782, 53564, 702071, 1404142, 2808284, 4914497, 9828994, 19657988]

約数ペア:

[(1, 19657988), (2, 9828994), (4, 4914497), (7, 2808284), (14, 1404142), (28, 702071), (367, 53564), (734, 26782), (1468, 13391), (1913, 10276), (2569, 7652), (3826, 5138)]