18882006

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 26357034

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 59, 66, 78, 118, 143, 177, 286, 354, 373, 429, 649, 746, 767, 858, 1119, 1298, 1534, 1947, 2238, 2301, 3894, 4103, 4602, 4849, 8206, 8437, 9698, 12309, 14547, 16874, 22007, 24618, 25311, 29094, 44014, 50622, 53339, 66021, 106678, 132042, 160017, 242077, 286091, 320034, 484154, 572182, 726231, 858273, 1452462, 1716546, 3147001, 6294002, 9441003, 18882006]

約数ペア:

[(1, 18882006), (2, 9441003), (3, 6294002), (6, 3147001), (11, 1716546), (13, 1452462), (22, 858273), (26, 726231), (33, 572182), (39, 484154), (59, 320034), (66, 286091), (78, 242077), (118, 160017), (143, 132042), (177, 106678), (286, 66021), (354, 53339), (373, 50622), (429, 44014), (649, 29094), (746, 25311), (767, 24618), (858, 22007), (1119, 16874), (1298, 14547), (1534, 12309), (1947, 9698), (2238, 8437), (2301, 8206), (3894, 4849), (4103, 4602)]