19277588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 39384576

約数和(自身を除く): 20106988

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 443, 473, 506, 886, 946, 989, 1012, 1772, 1892, 1978, 3956, 4873, 9746, 10189, 10879, 19049, 19492, 20378, 21758, 38098, 40756, 43516, 76196, 112079, 209539, 224158, 419078, 438127, 448316, 838156, 876254, 1752508, 4819397, 9638794, 19277588]

約数ペア:

[(1, 19277588), (2, 9638794), (4, 4819397), (11, 1752508), (22, 876254), (23, 838156), (43, 448316), (44, 438127), (46, 419078), (86, 224158), (92, 209539), (172, 112079), (253, 76196), (443, 43516), (473, 40756), (506, 38098), (886, 21758), (946, 20378), (989, 19492), (1012, 19049), (1772, 10879), (1892, 10189), (1978, 9746), (3956, 4873)]