18691386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{445033}}^1$

素因数の和:445045

約数の個数: 16

約数和(自身を含む): 42723264

約数和(自身を除く): 24031878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 445033, 890066, 1335099, 2670198, 3115231, 6230462, 9345693, 18691386]

約数ペア:

[(1, 18691386), (2, 9345693), (3, 6230462), (6, 3115231), (7, 2670198), (14, 1335099), (21, 890066), (42, 445033)]