18527259

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8844261

約数列:

[1, 3, 23, 29, 47, 69, 87, 141, 197, 591, 667, 1081, 1363, 2001, 3243, 4089, 4531, 5713, 9259, 13593, 17139, 27777, 31349, 94047, 131399, 212957, 268511, 394197, 638871, 805533, 6175753, 18527259]

約数ペア:

[(1, 18527259), (3, 6175753), (23, 805533), (29, 638871), (47, 394197), (69, 268511), (87, 212957), (141, 131399), (197, 94047), (591, 31349), (667, 27777), (1081, 17139), (1363, 13593), (2001, 9259), (3243, 5713), (4089, 4531)]