19781484

素因数分解:

$2^2\times 3^1\times {\mathrm{167}}^1\times {\mathrm{9871}}^1$

素因数の和:10045

約数の個数: 24

約数和(自身を含む): 46437888

約数和(自身を除く): 26656404

約数列:

[1, 2, 3, 4, 6, 12, 167, 334, 501, 668, 1002, 2004, 9871, 19742, 29613, 39484, 59226, 118452, 1648457, 3296914, 4945371, 6593828, 9890742, 19781484]

約数ペア:

[(1, 19781484), (2, 9890742), (3, 6593828), (4, 4945371), (6, 3296914), (12, 1648457), (167, 118452), (334, 59226), (501, 39484), (668, 29613), (1002, 19742), (2004, 9871)]