18340809

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 26148096

約数和(自身を除く): 7807287

約数列:

[1, 3, 31, 53, 61, 93, 159, 183, 1643, 1891, 3233, 3721, 4929, 5673, 9699, 11163, 100223, 115351, 197213, 300669, 346053, 591639, 6113603, 18340809]

約数ペア:

[(1, 18340809), (3, 6113603), (31, 591639), (53, 346053), (61, 300669), (93, 197213), (159, 115351), (183, 100223), (1643, 11163), (1891, 9699), (3233, 5673), (3721, 4929)]