19645818

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4909}}^1$

素因数の和:4966

約数の個数: 32

約数和(自身を含む): 42422400

約数和(自身を除く): 22776582

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 138, 174, 667, 1334, 2001, 4002, 4909, 9818, 14727, 29454, 112907, 142361, 225814, 284722, 338721, 427083, 677442, 854166, 3274303, 6548606, 9822909, 19645818]

約数ペア:

[(1, 19645818), (2, 9822909), (3, 6548606), (6, 3274303), (23, 854166), (29, 677442), (46, 427083), (58, 338721), (69, 284722), (87, 225814), (138, 142361), (174, 112907), (667, 29454), (1334, 14727), (2001, 9818), (4002, 4909)]