18813304917

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3371}}^1$

素因数の和:3476

約数の個数: 128

約数和(自身を含む): 34183987200

約数和(自身を除く): 15370682283

約数列:

[1, 3, 9, 11, 19, 23, 27, 33, 43, 57, 69, 99, 129, 171, 207, 209, 253, 297, 387, 437, 473, 513, 621, 627, 759, 817, 989, 1161, 1311, 1419, 1881, 2277, 2451, 2967, 3371, 3933, 4257, 4807, 5643, 6831, 7353, 8901, 8987, 10113, 10879, 11799, 12771, 14421, 18791, 22059, 26703, 26961, 30339, 32637, 37081, 43263, 56373, 64049, 77533, 80883, 91017, 97911, 111243, 129789, 144953, 169119, 192147, 206701, 232599, 242649, 293733, 333729, 434859, 507357, 576441, 620103, 697797, 704539, 852863, 1001187, 1304577, 1473127, 1594483, 1729323, 1860309, 2093391, 2113617, 2558589, 2754107, 3333919, 3913731, 4419381, 4783449, 5580927, 6340851, 7675767, 8262321, 10001757, 13258143, 14350347, 16204397, 19022553, 23027301, 24786963, 30005271, 30295177, 36673109, 39774429, 43051041, 48613191, 63344461, 74360889, 90015813, 90885531, 110019327, 145839573, 190033383, 272656593, 330057981, 437518719, 570100149, 696789071, 817969779, 990173943, 1710300447, 2090367213, 6271101639, 18813304917]

約数ペア:

[(1, 18813304917), (3, 6271101639), (9, 2090367213), (11, 1710300447), (19, 990173943), (23, 817969779), (27, 696789071), (33, 570100149), (43, 437518719), (57, 330057981), (69, 272656593), (99, 190033383), (129, 145839573), (171, 110019327), (207, 90885531), (209, 90015813), (253, 74360889), (297, 63344461), (387, 48613191), (437, 43051041), (473, 39774429), (513, 36673109), (621, 30295177), (627, 30005271), (759, 24786963), (817, 23027301), (989, 19022553), (1161, 16204397), (1311, 14350347), (1419, 13258143), (1881, 10001757), (2277, 8262321), (2451, 7675767), (2967, 6340851), (3371, 5580927), (3933, 4783449), (4257, 4419381), (4807, 3913731), (5643, 3333919), (6831, 2754107), (7353, 2558589), (8901, 2113617), (8987, 2093391), (10113, 1860309), (10879, 1729323), (11799, 1594483), (12771, 1473127), (14421, 1304577), (18791, 1001187), (22059, 852863), (26703, 704539), (26961, 697797), (30339, 620103), (32637, 576441), (37081, 507357), (43263, 434859), (56373, 333729), (64049, 293733), (77533, 242649), (80883, 232599), (91017, 206701), (97911, 192147), (111243, 169119), (129789, 144953)]