19861534

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{128971}}^1$

素因数の和:128991

約数の個数: 16

約数和(自身を含む): 37143936

約数和(自身を除く): 17282402

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 128971, 257942, 902797, 1418681, 1805594, 2837362, 9930767, 19861534]

約数ペア:

[(1, 19861534), (2, 9930767), (7, 2837362), (11, 1805594), (14, 1418681), (22, 902797), (77, 257942), (154, 128971)]