19921290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{664043}}^1$

素因数の和:664053

約数の個数: 16

約数和(自身を含む): 47811168

約数和(自身を除く): 27889878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 664043, 1328086, 1992129, 3320215, 3984258, 6640430, 9960645, 19921290]

約数ペア:

[(1, 19921290), (2, 9960645), (3, 6640430), (5, 3984258), (6, 3320215), (10, 1992129), (15, 1328086), (30, 664043)]