18348813

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15329}}^1$

素因数の和:15361

約数の個数: 24

約数和(自身を含む): 31886400

約数和(自身を除く): 13537587

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15329, 45987, 107303, 137961, 291251, 321909, 873753, 965727, 2038757, 2621259, 6116271, 18348813]

約数ペア:

[(1, 18348813), (3, 6116271), (7, 2621259), (9, 2038757), (19, 965727), (21, 873753), (57, 321909), (63, 291251), (133, 137961), (171, 107303), (399, 45987), (1197, 15329)]