18516260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6961}}^1$

素因数の和:6996

約数の個数: 48

約数和(自身を含む): 46784640

約数和(自身を除く): 28268380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6961, 13922, 27844, 34805, 48727, 69610, 97454, 132259, 139220, 194908, 243635, 264518, 487270, 529036, 661295, 925813, 974540, 1322590, 1851626, 2645180, 3703252, 4629065, 9258130, 18516260]

約数ペア:

[(1, 18516260), (2, 9258130), (4, 4629065), (5, 3703252), (7, 2645180), (10, 1851626), (14, 1322590), (19, 974540), (20, 925813), (28, 661295), (35, 529036), (38, 487270), (70, 264518), (76, 243635), (95, 194908), (133, 139220), (140, 132259), (190, 97454), (266, 69610), (380, 48727), (532, 34805), (665, 27844), (1330, 13922), (2660, 6961)]