19739974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1447}}^1$

素因数の和:1827

約数の個数: 16

約数和(自身を含む): 31276800

約数和(自身を除く): 11536826

約数列:

[1, 2, 19, 38, 359, 718, 1447, 2894, 6821, 13642, 27493, 54986, 519473, 1038946, 9869987, 19739974]

約数ペア:

[(1, 19739974), (2, 9869987), (19, 1038946), (38, 519473), (359, 54986), (718, 27493), (1447, 13642), (2894, 6821)]