18062638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:864

約数の個数: 24

約数和(自身を含む): 30116520

約数和(自身を除く): 12053882

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 739, 1111, 1478, 2222, 8129, 12221, 16258, 24442, 74639, 89419, 149278, 178838, 821029, 1642058, 9031319, 18062638]

約数ペア:

[(1, 18062638), (2, 9031319), (11, 1642058), (22, 821029), (101, 178838), (121, 149278), (202, 89419), (242, 74639), (739, 24442), (1111, 16258), (1478, 12221), (2222, 8129)]