19813526

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1021}}^1$

素因数の和:1367

約数の個数: 16

約数和(自身を含む): 30807168

約数和(自身を除く): 10993642

約数列:

[1, 2, 31, 62, 313, 626, 1021, 2042, 9703, 19406, 31651, 63302, 319573, 639146, 9906763, 19813526]

約数ペア:

[(1, 19813526), (2, 9906763), (31, 639146), (62, 319573), (313, 63302), (626, 31651), (1021, 19406), (2042, 9703)]