19802004

素因数分解:

$2^2\times 3^1\times {\mathrm{1650167}}^1$

素因数の和:1650174

約数の個数: 12

約数和(自身を含む): 46204704

約数和(自身を除く): 26402700

約数列:

[1, 2, 3, 4, 6, 12, 1650167, 3300334, 4950501, 6600668, 9901002, 19802004]

約数ペア:

[(1, 19802004), (2, 9901002), (3, 6600668), (4, 4950501), (6, 3300334), (12, 1650167)]