18307968

素因数分解:

$2^7\times 3^1\times 7^3\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 57120000

約数和(自身を除く): 38812032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 139, 147, 168, 192, 196, 224, 278, 294, 336, 343, 384, 392, 417, 448, 556, 588, 672, 686, 784, 834, 896, 973, 1029, 1112, 1176, 1344, 1372, 1568, 1668, 1946, 2058, 2224, 2352, 2688, 2744, 2919, 3136, 3336, 3892, 4116, 4448, 4704, 5488, 5838, 6272, 6672, 6811, 7784, 8232, 8896, 9408, 10976, 11676, 13344, 13622, 15568, 16464, 17792, 18816, 20433, 21952, 23352, 26688, 27244, 31136, 32928, 40866, 43904, 46704, 47677, 53376, 54488, 62272, 65856, 81732, 93408, 95354, 108976, 124544, 131712, 143031, 163464, 186816, 190708, 217952, 286062, 326928, 373632, 381416, 435904, 572124, 653856, 762832, 871808, 1144248, 1307712, 1525664, 2288496, 2615424, 3051328, 4576992, 6102656, 9153984, 18307968]

約数ペア:

[(1, 18307968), (2, 9153984), (3, 6102656), (4, 4576992), (6, 3051328), (7, 2615424), (8, 2288496), (12, 1525664), (14, 1307712), (16, 1144248), (21, 871808), (24, 762832), (28, 653856), (32, 572124), (42, 435904), (48, 381416), (49, 373632), (56, 326928), (64, 286062), (84, 217952), (96, 190708), (98, 186816), (112, 163464), (128, 143031), (139, 131712), (147, 124544), (168, 108976), (192, 95354), (196, 93408), (224, 81732), (278, 65856), (294, 62272), (336, 54488), (343, 53376), (384, 47677), (392, 46704), (417, 43904), (448, 40866), (556, 32928), (588, 31136), (672, 27244), (686, 26688), (784, 23352), (834, 21952), (896, 20433), (973, 18816), (1029, 17792), (1112, 16464), (1176, 15568), (1344, 13622), (1372, 13344), (1568, 11676), (1668, 10976), (1946, 9408), (2058, 8896), (2224, 8232), (2352, 7784), (2688, 6811), (2744, 6672), (2919, 6272), (3136, 5838), (3336, 5488), (3892, 4704), (4116, 4448)]