18578274

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 44513280

約数和(自身を除く): 25935006

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 367, 429, 649, 734, 767, 858, 1101, 1298, 1534, 1947, 2202, 2301, 3894, 4037, 4602, 4771, 8074, 8437, 9542, 12111, 14313, 16874, 21653, 24222, 25311, 28626, 43306, 50622, 52481, 64959, 104962, 129918, 157443, 238183, 281489, 314886, 476366, 562978, 714549, 844467, 1429098, 1688934, 3096379, 6192758, 9289137, 18578274]

約数ペア:

[(1, 18578274), (2, 9289137), (3, 6192758), (6, 3096379), (11, 1688934), (13, 1429098), (22, 844467), (26, 714549), (33, 562978), (39, 476366), (59, 314886), (66, 281489), (78, 238183), (118, 157443), (143, 129918), (177, 104962), (286, 64959), (354, 52481), (367, 50622), (429, 43306), (649, 28626), (734, 25311), (767, 24222), (858, 21653), (1101, 16874), (1298, 14313), (1534, 12111), (1947, 9542), (2202, 8437), (2301, 8074), (3894, 4771), (4037, 4602)]