19859638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6563}}^1$

素因数の和:6671

約数の個数: 16

約数和(自身を含む): 31901040

約数和(自身を除く): 12041402

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6563, 13126, 111571, 223142, 584107, 1168214, 9929819, 19859638]

約数ペア:

[(1, 19859638), (2, 9929819), (17, 1168214), (34, 584107), (89, 223142), (178, 111571), (1513, 13126), (3026, 6563)]