19973670282

素因数分解:

$2^1\times 3^5\times {\mathrm{647}}^1\times {\mathrm{63521}}^1$

素因数の和:64185

約数の個数: 48

約数和(自身を含む): 44949183552

約数和(自身を除く): 24975513270

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 647, 1294, 1941, 3882, 5823, 11646, 17469, 34938, 52407, 63521, 104814, 127042, 157221, 190563, 314442, 381126, 571689, 1143378, 1715067, 3430134, 5145201, 10290402, 15435603, 30871206, 41098087, 82196174, 123294261, 246588522, 369882783, 739765566, 1109648349, 2219296698, 3328945047, 6657890094, 9986835141, 19973670282]

約数ペア:

[(1, 19973670282), (2, 9986835141), (3, 6657890094), (6, 3328945047), (9, 2219296698), (18, 1109648349), (27, 739765566), (54, 369882783), (81, 246588522), (162, 123294261), (243, 82196174), (486, 41098087), (647, 30871206), (1294, 15435603), (1941, 10290402), (3882, 5145201), (5823, 3430134), (11646, 1715067), (17469, 1143378), (34938, 571689), (52407, 381126), (63521, 314442), (104814, 190563), (127042, 157221)]