18849291237

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{3271}}^1$

素因数の和:3543

約数の個数: 72

約数和(自身を含む): 32295032640

約数和(自身を除く): 13445741403

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 179, 219, 441, 511, 537, 657, 1253, 1533, 1611, 3271, 3577, 3759, 4599, 8771, 9813, 10731, 11277, 13067, 22897, 26313, 29439, 32193, 39201, 68691, 78939, 91469, 117603, 160279, 206073, 238783, 274407, 480837, 585509, 640283, 716349, 823221, 1442511, 1671481, 1756527, 1920849, 2149047, 4098563, 5014443, 5269581, 5762547, 11700367, 12295689, 15043329, 28689941, 35101101, 36887067, 42742157, 86069823, 105303303, 128226471, 258209469, 299195099, 384679413, 897585297, 2094365693, 2692755891, 6283097079, 18849291237]

約数ペア:

[(1, 18849291237), (3, 6283097079), (7, 2692755891), (9, 2094365693), (21, 897585297), (49, 384679413), (63, 299195099), (73, 258209469), (147, 128226471), (179, 105303303), (219, 86069823), (441, 42742157), (511, 36887067), (537, 35101101), (657, 28689941), (1253, 15043329), (1533, 12295689), (1611, 11700367), (3271, 5762547), (3577, 5269581), (3759, 5014443), (4599, 4098563), (8771, 2149047), (9813, 1920849), (10731, 1756527), (11277, 1671481), (13067, 1442511), (22897, 823221), (26313, 716349), (29439, 640283), (32193, 585509), (39201, 480837), (68691, 274407), (78939, 238783), (91469, 206073), (117603, 160279)]