18819956

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{8539}}^1$

素因数の和:8591

約数の個数: 24

約数和(自身を含む): 35868000

約数和(自身を除く): 17048044

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 8539, 17078, 34156, 162241, 247631, 324482, 495262, 648964, 990524, 4704989, 9409978, 18819956]

約数ペア:

[(1, 18819956), (2, 9409978), (4, 4704989), (19, 990524), (29, 648964), (38, 495262), (58, 324482), (76, 247631), (116, 162241), (551, 34156), (1102, 17078), (2204, 8539)]