19986870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666229}}^1$

素因数の和:666239

約数の個数: 16

約数和(自身を含む): 47968560

約数和(自身を除く): 27981690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666229, 1332458, 1998687, 3331145, 3997374, 6662290, 9993435, 19986870]

約数ペア:

[(1, 19986870), (2, 9993435), (3, 6662290), (5, 3997374), (6, 3331145), (10, 1998687), (15, 1332458), (30, 666229)]