19540010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{279143}}^1$

素因数の和:279157

約数の個数: 16

約数和(自身を含む): 40196736

約数和(自身を除く): 20656726

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 279143, 558286, 1395715, 1954001, 2791430, 3908002, 9770005, 19540010]

約数ペア:

[(1, 19540010), (2, 9770005), (5, 3908002), (7, 2791430), (10, 1954001), (14, 1395715), (35, 558286), (70, 279143)]