18675459

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 12459645

約数列:

[1, 3, 9, 11, 33, 41, 43, 99, 107, 123, 129, 321, 369, 387, 451, 473, 963, 1177, 1353, 1419, 1763, 3531, 4059, 4257, 4387, 4601, 5289, 10593, 13161, 13803, 15867, 19393, 39483, 41409, 48257, 50611, 58179, 144771, 151833, 174537, 188641, 434313, 455499, 565923, 1697769, 2075051, 6225153, 18675459]

約数ペア:

[(1, 18675459), (3, 6225153), (9, 2075051), (11, 1697769), (33, 565923), (41, 455499), (43, 434313), (99, 188641), (107, 174537), (123, 151833), (129, 144771), (321, 58179), (369, 50611), (387, 48257), (451, 41409), (473, 39483), (963, 19393), (1177, 15867), (1353, 13803), (1419, 13161), (1763, 10593), (3531, 5289), (4059, 4601), (4257, 4387)]