18966640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3079}}^1$

素因数の和:3110

約数の個数: 80

約数和(自身を含む): 54996480

約数和(自身を除く): 36029840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3079, 3080, 6158, 6160, 12316, 15395, 21553, 24632, 30790, 33869, 43106, 49264, 61580, 67738, 86212, 107765, 123160, 135476, 169345, 172424, 215530, 237083, 246320, 270952, 338690, 344848, 431060, 474166, 541904, 677380, 862120, 948332, 1185415, 1354760, 1724240, 1896664, 2370830, 2709520, 3793328, 4741660, 9483320, 18966640]

約数ペア:

[(1, 18966640), (2, 9483320), (4, 4741660), (5, 3793328), (7, 2709520), (8, 2370830), (10, 1896664), (11, 1724240), (14, 1354760), (16, 1185415), (20, 948332), (22, 862120), (28, 677380), (35, 541904), (40, 474166), (44, 431060), (55, 344848), (56, 338690), (70, 270952), (77, 246320), (80, 237083), (88, 215530), (110, 172424), (112, 169345), (140, 135476), (154, 123160), (176, 107765), (220, 86212), (280, 67738), (308, 61580), (385, 49264), (440, 43106), (560, 33869), (616, 30790), (770, 24632), (880, 21553), (1232, 15395), (1540, 12316), (3079, 6160), (3080, 6158)]