12681018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5297}}^1$

素因数の和:5331

約数の個数: 48

約数和(自身を含む): 33059520

約数和(自身を除く): 20378502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 5297, 10594, 15891, 31782, 37079, 47673, 74158, 95346, 100643, 111237, 201286, 222474, 301929, 333711, 603858, 667422, 704501, 905787, 1409002, 1811574, 2113503, 4227006, 6340509, 12681018]

約数ペア:

[(1, 12681018), (2, 6340509), (3, 4227006), (6, 2113503), (7, 1811574), (9, 1409002), (14, 905787), (18, 704501), (19, 667422), (21, 603858), (38, 333711), (42, 301929), (57, 222474), (63, 201286), (114, 111237), (126, 100643), (133, 95346), (171, 74158), (266, 47673), (342, 37079), (399, 31782), (798, 15891), (1197, 10594), (2394, 5297)]