19420326

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 25264314

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 769, 1098, 1403, 1538, 2307, 2806, 4209, 4614, 6921, 8418, 12627, 13842, 17687, 25254, 35374, 46909, 53061, 93818, 106122, 140727, 159183, 281454, 318366, 422181, 844362, 1078907, 2157814, 3236721, 6473442, 9710163, 19420326]

約数ペア:

[(1, 19420326), (2, 9710163), (3, 6473442), (6, 3236721), (9, 2157814), (18, 1078907), (23, 844362), (46, 422181), (61, 318366), (69, 281454), (122, 159183), (138, 140727), (183, 106122), (207, 93818), (366, 53061), (414, 46909), (549, 35374), (769, 25254), (1098, 17687), (1403, 13842), (1538, 12627), (2307, 8418), (2806, 6921), (4209, 4614)]