18397654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 31809024

約数和(自身を除く): 13411370

約数列:

[1, 2, 11, 22, 23, 46, 103, 206, 253, 353, 506, 706, 1133, 2266, 2369, 3883, 4738, 7766, 8119, 16238, 26059, 36359, 52118, 72718, 89309, 178618, 399949, 799898, 836257, 1672514, 9198827, 18397654]

約数ペア:

[(1, 18397654), (2, 9198827), (11, 1672514), (22, 836257), (23, 799898), (46, 399949), (103, 178618), (206, 89309), (253, 72718), (353, 52118), (506, 36359), (706, 26059), (1133, 16238), (2266, 8119), (2369, 7766), (3883, 4738)]