18971514

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 42611712

約数和(自身を除く): 23640198

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 193, 254, 258, 381, 386, 387, 579, 762, 774, 1143, 1158, 1737, 2286, 3474, 5461, 8299, 10922, 16383, 16598, 24511, 24897, 32766, 49022, 49149, 49794, 73533, 74691, 98298, 147066, 149382, 220599, 441198, 1053973, 2107946, 3161919, 6323838, 9485757, 18971514]

約数ペア:

[(1, 18971514), (2, 9485757), (3, 6323838), (6, 3161919), (9, 2107946), (18, 1053973), (43, 441198), (86, 220599), (127, 149382), (129, 147066), (193, 98298), (254, 74691), (258, 73533), (381, 49794), (386, 49149), (387, 49022), (579, 32766), (762, 24897), (774, 24511), (1143, 16598), (1158, 16383), (1737, 10922), (2286, 8299), (3474, 5461)]