19885516

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2269}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 39915680

約数和(自身を除く): 20030164

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 2269, 4382, 4538, 8764, 9076, 15883, 31766, 63532, 710197, 1420394, 2840788, 4971379, 9942758, 19885516]

約数ペア:

[(1, 19885516), (2, 9942758), (4, 4971379), (7, 2840788), (14, 1420394), (28, 710197), (313, 63532), (626, 31766), (1252, 15883), (2191, 9076), (2269, 8764), (4382, 4538)]