17806986

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 23924214

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 83, 87, 137, 166, 174, 249, 261, 274, 411, 498, 522, 747, 783, 822, 1233, 1494, 1566, 2241, 2407, 2466, 3699, 3973, 4482, 4814, 7221, 7398, 7946, 11371, 11919, 14442, 21663, 22742, 23838, 34113, 35757, 43326, 64989, 68226, 71514, 102339, 107271, 129978, 204678, 214542, 307017, 329759, 614034, 659518, 989277, 1978554, 2967831, 5935662, 8903493, 17806986]

約数ペア:

[(1, 17806986), (2, 8903493), (3, 5935662), (6, 2967831), (9, 1978554), (18, 989277), (27, 659518), (29, 614034), (54, 329759), (58, 307017), (83, 214542), (87, 204678), (137, 129978), (166, 107271), (174, 102339), (249, 71514), (261, 68226), (274, 64989), (411, 43326), (498, 35757), (522, 34113), (747, 23838), (783, 22742), (822, 21663), (1233, 14442), (1494, 11919), (1566, 11371), (2241, 7946), (2407, 7398), (2466, 7221), (3699, 4814), (3973, 4482)]