18971652

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11887}}^1$

素因数の和:11920

約数の個数: 48

約数和(自身を含む): 53258240

約数和(自身を除く): 34286588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 11887, 23774, 35661, 47548, 71322, 83209, 142644, 166418, 225853, 249627, 332836, 451706, 499254, 677559, 903412, 998508, 1355118, 1580971, 2710236, 3161942, 4742913, 6323884, 9485826, 18971652]

約数ペア:

[(1, 18971652), (2, 9485826), (3, 6323884), (4, 4742913), (6, 3161942), (7, 2710236), (12, 1580971), (14, 1355118), (19, 998508), (21, 903412), (28, 677559), (38, 499254), (42, 451706), (57, 332836), (76, 249627), (84, 225853), (114, 166418), (133, 142644), (228, 83209), (266, 71322), (399, 47548), (532, 35661), (798, 23774), (1596, 11887)]