18001984

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 48134016

約数和(自身を除く): 30132032

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 224, 281, 286, 308, 352, 364, 416, 448, 562, 572, 616, 704, 728, 832, 1001, 1124, 1144, 1232, 1456, 1967, 2002, 2248, 2288, 2464, 2912, 3091, 3653, 3934, 4004, 4496, 4576, 4928, 5824, 6182, 7306, 7868, 8008, 8992, 9152, 12364, 14612, 15736, 16016, 17984, 21637, 24728, 25571, 29224, 31472, 32032, 40183, 43274, 49456, 51142, 58448, 62944, 64064, 80366, 86548, 98912, 102284, 116896, 125888, 160732, 173096, 197824, 204568, 233792, 281281, 321464, 346192, 409136, 562562, 642928, 692384, 818272, 1125124, 1285856, 1384768, 1636544, 2250248, 2571712, 4500496, 9000992, 18001984]

約数ペア:

[(1, 18001984), (2, 9000992), (4, 4500496), (7, 2571712), (8, 2250248), (11, 1636544), (13, 1384768), (14, 1285856), (16, 1125124), (22, 818272), (26, 692384), (28, 642928), (32, 562562), (44, 409136), (52, 346192), (56, 321464), (64, 281281), (77, 233792), (88, 204568), (91, 197824), (104, 173096), (112, 160732), (143, 125888), (154, 116896), (176, 102284), (182, 98912), (208, 86548), (224, 80366), (281, 64064), (286, 62944), (308, 58448), (352, 51142), (364, 49456), (416, 43274), (448, 40183), (562, 32032), (572, 31472), (616, 29224), (704, 25571), (728, 24728), (832, 21637), (1001, 17984), (1124, 16016), (1144, 15736), (1232, 14612), (1456, 12364), (1967, 9152), (2002, 8992), (2248, 8008), (2288, 7868), (2464, 7306), (2912, 6182), (3091, 5824), (3653, 4928), (3934, 4576), (4004, 4496)]