18666018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 52531200

約数和(自身を除く): 33865182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 27, 38, 42, 46, 54, 57, 63, 69, 113, 114, 126, 133, 138, 161, 171, 189, 207, 226, 266, 322, 339, 342, 378, 399, 414, 437, 483, 513, 621, 678, 791, 798, 874, 966, 1017, 1026, 1197, 1242, 1311, 1449, 1582, 2034, 2147, 2373, 2394, 2599, 2622, 2898, 3051, 3059, 3591, 3933, 4294, 4347, 4746, 5198, 6102, 6118, 6441, 7119, 7182, 7797, 7866, 8694, 9177, 11799, 12882, 14238, 15029, 15594, 18193, 18354, 19323, 21357, 23391, 23598, 27531, 30058, 36386, 38646, 42714, 45087, 46782, 49381, 54579, 55062, 57969, 70173, 82593, 90174, 98762, 109158, 115938, 135261, 140346, 148143, 163737, 165186, 270522, 296286, 327474, 345667, 405783, 444429, 491211, 691334, 811566, 888858, 982422, 1037001, 1333287, 2074002, 2666574, 3111003, 6222006, 9333009, 18666018]

約数ペア:

[(1, 18666018), (2, 9333009), (3, 6222006), (6, 3111003), (7, 2666574), (9, 2074002), (14, 1333287), (18, 1037001), (19, 982422), (21, 888858), (23, 811566), (27, 691334), (38, 491211), (42, 444429), (46, 405783), (54, 345667), (57, 327474), (63, 296286), (69, 270522), (113, 165186), (114, 163737), (126, 148143), (133, 140346), (138, 135261), (161, 115938), (171, 109158), (189, 98762), (207, 90174), (226, 82593), (266, 70173), (322, 57969), (339, 55062), (342, 54579), (378, 49381), (399, 46782), (414, 45087), (437, 42714), (483, 38646), (513, 36386), (621, 30058), (678, 27531), (791, 23598), (798, 23391), (874, 21357), (966, 19323), (1017, 18354), (1026, 18193), (1197, 15594), (1242, 15029), (1311, 14238), (1449, 12882), (1582, 11799), (2034, 9177), (2147, 8694), (2373, 7866), (2394, 7797), (2599, 7182), (2622, 7119), (2898, 6441), (3051, 6118), (3059, 6102), (3591, 5198), (3933, 4746), (4294, 4347)]