18660138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{444289}}^1$

素因数の和:444301

約数の個数: 16

約数和(自身を含む): 42651840

約数和(自身を除く): 23991702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 444289, 888578, 1332867, 2665734, 3110023, 6220046, 9330069, 18660138]

約数ペア:

[(1, 18660138), (2, 9330069), (3, 6220046), (6, 3110023), (7, 2665734), (14, 1332867), (21, 888578), (42, 444289)]