19912110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{663737}}^1$

素因数の和:663747

約数の個数: 16

約数和(自身を含む): 47789136

約数和(自身を除く): 27877026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 663737, 1327474, 1991211, 3318685, 3982422, 6637370, 9956055, 19912110]

約数ペア:

[(1, 19912110), (2, 9956055), (3, 6637370), (5, 3982422), (6, 3318685), (10, 1991211), (15, 1327474), (30, 663737)]