18164556

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 48222720

約数和(自身を除く): 30058164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 137, 174, 254, 261, 274, 348, 381, 411, 508, 522, 548, 762, 822, 1044, 1143, 1233, 1524, 1644, 2286, 2466, 3683, 3973, 4572, 4932, 7366, 7946, 11049, 11919, 14732, 15892, 17399, 22098, 23838, 33147, 34798, 35757, 44196, 47676, 52197, 66294, 69596, 71514, 104394, 132588, 143028, 156591, 208788, 313182, 504571, 626364, 1009142, 1513713, 2018284, 3027426, 4541139, 6054852, 9082278, 18164556]

約数ペア:

[(1, 18164556), (2, 9082278), (3, 6054852), (4, 4541139), (6, 3027426), (9, 2018284), (12, 1513713), (18, 1009142), (29, 626364), (36, 504571), (58, 313182), (87, 208788), (116, 156591), (127, 143028), (137, 132588), (174, 104394), (254, 71514), (261, 69596), (274, 66294), (348, 52197), (381, 47676), (411, 44196), (508, 35757), (522, 34798), (548, 33147), (762, 23838), (822, 22098), (1044, 17399), (1143, 15892), (1233, 14732), (1524, 11919), (1644, 11049), (2286, 7946), (2466, 7366), (3683, 4932), (3973, 4572)]