19941890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53897}}^1$

素因数の和:53941

約数の個数: 16

約数和(自身を含む): 36866232

約数和(自身を除く): 16924342

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53897, 107794, 269485, 538970, 1994189, 3988378, 9970945, 19941890]

約数ペア:

[(1, 19941890), (2, 9970945), (5, 3988378), (10, 1994189), (37, 538970), (74, 269485), (185, 107794), (370, 53897)]