18529809

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 25226304

約数和(自身を除く): 6696495

約数列:

[1, 3, 73, 211, 219, 401, 633, 1203, 15403, 29273, 46209, 84611, 87819, 253833, 6176603, 18529809]

約数ペア:

[(1, 18529809), (3, 6176603), (73, 253833), (211, 87819), (219, 84611), (401, 46209), (633, 29273), (1203, 15403)]