13191890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{69431}}^1$

素因数の和:69457

約数の個数: 16

約数和(自身を含む): 24995520

約数和(自身を除く): 11803630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 69431, 138862, 347155, 694310, 1319189, 2638378, 6595945, 13191890]

約数ペア:

[(1, 13191890), (2, 6595945), (5, 2638378), (10, 1319189), (19, 694310), (38, 347155), (95, 138862), (190, 69431)]