19989870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666329}}^1$

素因数の和:666339

約数の個数: 16

約数和(自身を含む): 47975760

約数和(自身を除く): 27985890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666329, 1332658, 1998987, 3331645, 3997974, 6663290, 9994935, 19989870]

約数ペア:

[(1, 19989870), (2, 9994935), (3, 6663290), (5, 3997974), (6, 3331645), (10, 1998987), (15, 1332658), (30, 666329)]