18838728

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 36198072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 47, 57, 72, 76, 94, 114, 141, 152, 171, 188, 228, 282, 293, 342, 376, 423, 456, 564, 586, 684, 846, 879, 893, 1128, 1172, 1368, 1692, 1758, 1786, 2344, 2637, 2679, 3384, 3516, 3572, 5274, 5358, 5567, 7032, 7144, 8037, 10548, 10716, 11134, 13771, 16074, 16701, 21096, 21432, 22268, 27542, 32148, 33402, 41313, 44536, 50103, 55084, 64296, 66804, 82626, 100206, 110168, 123939, 133608, 165252, 200412, 247878, 261649, 330504, 400824, 495756, 523298, 784947, 991512, 1046596, 1569894, 2093192, 2354841, 3139788, 4709682, 6279576, 9419364, 18838728]

約数ペア:

[(1, 18838728), (2, 9419364), (3, 6279576), (4, 4709682), (6, 3139788), (8, 2354841), (9, 2093192), (12, 1569894), (18, 1046596), (19, 991512), (24, 784947), (36, 523298), (38, 495756), (47, 400824), (57, 330504), (72, 261649), (76, 247878), (94, 200412), (114, 165252), (141, 133608), (152, 123939), (171, 110168), (188, 100206), (228, 82626), (282, 66804), (293, 64296), (342, 55084), (376, 50103), (423, 44536), (456, 41313), (564, 33402), (586, 32148), (684, 27542), (846, 22268), (879, 21432), (893, 21096), (1128, 16701), (1172, 16074), (1368, 13771), (1692, 11134), (1758, 10716), (1786, 10548), (2344, 8037), (2637, 7144), (2679, 7032), (3384, 5567), (3516, 5358), (3572, 5274)]