18752272

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 46854144

約数和(自身を除く): 28101872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 491, 496, 616, 682, 868, 982, 1232, 1364, 1736, 1964, 2387, 2728, 3437, 3472, 3928, 4774, 5401, 5456, 6874, 7856, 9548, 10802, 13748, 15221, 19096, 21604, 27496, 30442, 37807, 38192, 43208, 54992, 60884, 75614, 86416, 106547, 121768, 151228, 167431, 213094, 243536, 302456, 334862, 426188, 604912, 669724, 852376, 1172017, 1339448, 1704752, 2344034, 2678896, 4688068, 9376136, 18752272]

約数ペア:

[(1, 18752272), (2, 9376136), (4, 4688068), (7, 2678896), (8, 2344034), (11, 1704752), (14, 1339448), (16, 1172017), (22, 852376), (28, 669724), (31, 604912), (44, 426188), (56, 334862), (62, 302456), (77, 243536), (88, 213094), (112, 167431), (124, 151228), (154, 121768), (176, 106547), (217, 86416), (248, 75614), (308, 60884), (341, 54992), (434, 43208), (491, 38192), (496, 37807), (616, 30442), (682, 27496), (868, 21604), (982, 19096), (1232, 15221), (1364, 13748), (1736, 10802), (1964, 9548), (2387, 7856), (2728, 6874), (3437, 5456), (3472, 5401), (3928, 4774)]