19497590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39791}}^1$

素因数の和:39812

約数の個数: 24

約数和(自身を含む): 40826592

約数和(自身を除く): 21329002

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39791, 79582, 198955, 278537, 397910, 557074, 1392685, 1949759, 2785370, 3899518, 9748795, 19497590]

約数ペア:

[(1, 19497590), (2, 9748795), (5, 3899518), (7, 2785370), (10, 1949759), (14, 1392685), (35, 557074), (49, 397910), (70, 278537), (98, 198955), (245, 79582), (490, 39791)]