18028604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 18259396

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 71, 116, 142, 199, 284, 319, 398, 638, 781, 796, 1276, 1562, 2059, 2189, 3124, 4118, 4378, 5771, 8236, 8756, 11542, 14129, 22649, 23084, 28258, 45298, 56516, 63481, 90596, 126962, 155419, 253924, 310838, 409741, 621676, 819482, 1638964, 4507151, 9014302, 18028604]

約数ペア:

[(1, 18028604), (2, 9014302), (4, 4507151), (11, 1638964), (22, 819482), (29, 621676), (44, 409741), (58, 310838), (71, 253924), (116, 155419), (142, 126962), (199, 90596), (284, 63481), (319, 56516), (398, 45298), (638, 28258), (781, 23084), (796, 22649), (1276, 14129), (1562, 11542), (2059, 8756), (2189, 8236), (3124, 5771), (4118, 4378)]