19705850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20743}}^1$

素因数の和:20774

約数の個数: 24

約数和(自身を含む): 38583840

約数和(自身を除く): 18877990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20743, 41486, 103715, 207430, 394117, 518575, 788234, 1037150, 1970585, 3941170, 9852925, 19705850]

約数ペア:

[(1, 19705850), (2, 9852925), (5, 3941170), (10, 1970585), (19, 1037150), (25, 788234), (38, 518575), (50, 394117), (95, 207430), (190, 103715), (475, 41486), (950, 20743)]