18101138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 13251694

約数列:

[1, 2, 11, 22, 23, 46, 83, 166, 253, 431, 506, 862, 913, 1826, 1909, 3818, 4741, 9482, 9913, 19826, 20999, 35773, 41998, 71546, 109043, 218086, 393503, 787006, 822779, 1645558, 9050569, 18101138]

約数ペア:

[(1, 18101138), (2, 9050569), (11, 1645558), (22, 822779), (23, 787006), (46, 393503), (83, 218086), (166, 109043), (253, 71546), (431, 41998), (506, 35773), (862, 20999), (913, 19826), (1826, 9913), (1909, 9482), (3818, 4741)]