18445119

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 33841584

約数和(自身を除く): 15396465

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 61, 77, 119, 121, 147, 183, 187, 231, 357, 363, 427, 539, 561, 671, 833, 847, 1037, 1281, 1309, 1617, 2013, 2057, 2499, 2541, 2989, 3111, 3927, 4697, 5929, 6171, 7259, 7381, 8967, 9163, 11407, 14091, 14399, 17787, 21777, 22143, 27489, 32879, 34221, 43197, 50813, 51667, 79849, 98637, 100793, 125477, 152439, 155001, 239547, 302379, 361669, 376431, 558943, 878339, 1085007, 1676829, 2635017, 6148373, 18445119]

約数ペア:

[(1, 18445119), (3, 6148373), (7, 2635017), (11, 1676829), (17, 1085007), (21, 878339), (33, 558943), (49, 376431), (51, 361669), (61, 302379), (77, 239547), (119, 155001), (121, 152439), (147, 125477), (183, 100793), (187, 98637), (231, 79849), (357, 51667), (363, 50813), (427, 43197), (539, 34221), (561, 32879), (671, 27489), (833, 22143), (847, 21777), (1037, 17787), (1281, 14399), (1309, 14091), (1617, 11407), (2013, 9163), (2057, 8967), (2499, 7381), (2541, 7259), (2989, 6171), (3111, 5929), (3927, 4697)]