18708345

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13411}}^1$

素因数の和:13453

約数の個数: 24

約数和(自身を含む): 33476352

約数和(自身を除く): 14768007

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 13411, 40233, 67055, 120699, 201165, 415741, 603495, 1247223, 2078705, 3741669, 6236115, 18708345]

約数ペア:

[(1, 18708345), (3, 6236115), (5, 3741669), (9, 2078705), (15, 1247223), (31, 603495), (45, 415741), (93, 201165), (155, 120699), (279, 67055), (465, 40233), (1395, 13411)]