19899194

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10687}}^1$

素因数の和:10722

約数の個数: 24

約数和(自身を含む): 36552960

約数和(自身を除く): 16653766

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 10687, 21374, 74809, 149618, 203053, 406106, 523663, 1047326, 1421371, 2842742, 9949597, 19899194]

約数ペア:

[(1, 19899194), (2, 9949597), (7, 2842742), (14, 1421371), (19, 1047326), (38, 523663), (49, 406106), (98, 203053), (133, 149618), (266, 74809), (931, 21374), (1862, 10687)]