19107970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{272971}}^1$

素因数の和:272985

約数の個数: 16

約数和(自身を含む): 39307968

約数和(自身を除く): 20199998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 272971, 545942, 1364855, 1910797, 2729710, 3821594, 9553985, 19107970]

約数ペア:

[(1, 19107970), (2, 9553985), (5, 3821594), (7, 2729710), (10, 1910797), (14, 1364855), (35, 545942), (70, 272971)]